random

4,731 results, page 33
  1. statistics

    An urn contains 10 balls of which 6 are white, 3 are red and 1 is green. Two balls are drawn at random from the urn. Find the probability distribution of number of white balls drawn. Hence state the expected number of white balls one can get in such a

    asked by URMILA on August 27, 2014
  2. data management gr.12

    The number of immigrants living in a certain country with a large population makes up 35% of the population. In a random sample poll of 40 people what is: a)the expected number of non-immigrants will be polled? b)the probability that no immigrants will be

    asked by Anonymous on December 22, 2016
  3. Stats and Data

    Suppose that either of two instruments might be used for making a certain measurement. Instrument 1 yields a measurement whose p.d.f. is f1(x)=2x, 0

    asked by Salman on December 2, 2010
  4. math

    The number of immigrants living in a certain country with a large population makes up 35% of the population. In a random sample poll of 40 people what is: a)the expected number of non-immigrants will be polled? b)the probability that no immigrants will be

    asked by Jenna on December 21, 2016
  5. stats

    A manufacturer of automobile batteries claims that the distribution of battery life is 54 months with a standard deviation of 6 months. We take a random sample of 50 batteries. a. Find the probability that their mean life is less than 52 months. b. Find

    asked by michelle on August 1, 2011
  6. Maths

    Suppose that either of two instruments might be used for making a certain measurement. Instrument 1 yields a measurement whose p.d.f. is f1(x)=2x, 0

    asked by Salman on December 2, 2010
  7. Math

    Suppose that either of two instruments might be used for making a certain measurement. Instrument 1 yields a measurement whose p.d.f. is f1(x)=2x, 0

    asked by Salman on December 2, 2010
  8. elective mathematics

    A ba contains 5 red and 4 white identical balls abd a second bag contains 3 red and white identical balls If one ball ios selected at random from each of the bags, Find the probability that, two balls selected will be of I)different colour Ii)same colour

    asked by jerry johnson on April 30, 2014
  9. Statistics

    According to a recent survey, 75% of all customers will return to the same grocery store. Suppose 8 customers are selected at random: A) What is the probability that exactly five of the customers will return? B) What is the profability that all 8 will

    asked by Maria B on March 16, 2011
  10. statistics

    the manufacturing of jstcare automobile uses a random sample of 500 car owners to determeine if the proportion of satisfied caar owners is different for jetcare than for other cars a)perform a hypothesis test t the 5 percent level if the sample contained

    asked by hypotheis on April 16, 2012
  11. math (please help steve)

    Brilli the ant randomly placed a token into a square on a 2×100 chessboard according to a probability distribution P. The token is then moved uniformly at random to one of the horizontally, vertically, or diagonally adjacent squares. The probability that

    asked by andy on July 17, 2013
  12. Math (Check answer)

    Please check the solution below: X, is assumed to be a random variable by placing letters of the word “YACHT” in a hat. If these letters are withdrawn then it gets replaced. A value of 1 is given when a vowel is retrieved, and a value of 2 is given

    asked by Anonymous on September 13, 2017
  13. Statistics

    Suppose a basketball player, Player A, made 80% of her free throw attempts last season and that she continues to shoot free throws at the same rate. Assume that free throw attempts are independent. Let the random variable X be the number of free throws

    asked by Angel on March 2, 2012
  14. vocab

    Choose the words, that best completes the following sentences. 1)Abound ,2) braggart,3) cache, 4)clarification,5)despondent, 6)embezzle 7)heartrending 8)leisurely 9)lethargic 10)malady 11)mellow 12)nomadic 13)piecemeal 14)quest 15)random 16)rant

    asked by Anonymous on May 10, 2009
  15. Math, help

    I need help what formula would i use or what steps do i take? A professor gives a test with 100 true-false questions. If 60 or more correct is necessary to pass, what is the probability that a student will pass by random guessing? The brute force way of

    asked by student on July 13, 2007
  16. Maths

    Plastic drinking straws are manufactured to fit into drinks cartons which have a hole in the top. A straw fits into the hole if the diameter of the straw is less than 3 mm. The diameters of the straws have a normal distribution with mean 2.6 mm and

    asked by Anon on September 13, 2016
  17. statistics

    10th grade New York public school students taking a standardized English test produced test scores that were normally distributed with a mean of 85 and a standard deviation of 4. Let x be a random variable that represents the test score of a student.

    asked by jill on December 4, 2016
  18. basic mathematics

    ii) A box contains 10 white, 7 black and 3 green balls. 2 balls are drawn at random. Find out the probability that: a) both are white b) one is white and another is green c) one is black and another is green

    asked by ahmed on December 29, 2015
  19. statistics

    A random sample of n = 4 scores is selected from a population with ƒÝ = 80 and ƒã = 20. On average, how much difference would you expect between the sample mean and the population mean? a. 0 points (the sample mean should be the same as the population

    asked by Lyndyc on January 1, 2014
  20. math

    There are 5 yellow cards, 4 red cards, and 1 purple card. He draws a card at random, replaces it, and draws a second card. What is the probability that both cards will be red?

    asked by marissa on November 25, 2012
  21. maths

    there are six red balls and nine blue balls in a box.a ball is selected at random.find the probability that the ball is (a)red(b) blue ( c) red of blue

    asked by joyce Rowley on May 2, 2014
  22. maths

    there are six red balls and nine blue balls in a box.a ball is selected at random.find the probability that the ball is (a)red(b) blue ( c) red or blue

    asked by joyce Rowley on May 2, 2014
  23. Juba Day SS

    ii) A box contains 10 white, 7 black and 3 green balls. 2 balls are drawn at random. Find out the probability that: a) both are white b) one is white and another is green c) one is black and another is green

    asked by B. David Lawrence on December 19, 2014
  24. maths

    The numbers 1,2,…,17 are divided into 5 disjoint sets. One set has 5 elements, one set has 4 elements, two sets have 3 elements and the last set contains the 2 remaining elements. Two players each choose a number from 1 to 17 at random. The probability

    asked by Anonymous33 on February 8, 2013
  25. mathematics

    The numbers 1,2,…,17 are divided into 5 disjoint sets. One set has 5 elements, one set has 4 elements, two sets have 3 elements and the last set contains the 2 remaining elements. Two players each choose a number from 1 to 17 at random. The probability

    asked by Anonymous1 on February 6, 2013
  26. statistics

    Based on data collected by the National Center for Health Statistics and made available to the public in the Sample Adult database, an estimate of the percentage of adults who have at some point in their life been told they have hypertension is 23.53

    asked by Tom on September 13, 2011
  27. statistics

    1. A random sample of size 49 is taken from a large population, measuring the time it takes to complete a driver’s license examination. The sample mean was found to be 47 minutes, and the sample standard deviation 5.89 minutes. Construct a 95% confidence

    asked by Anonymous on July 17, 2010
  28. statistics

    A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 121.2-cm and a standard deviation of 1.8-cm. Suppose a rod is chosen at random from all the rods produced by the company. There is a 23% probability that

    asked by Victor on October 19, 2011
  29. Math Challenge Check

    I am playing a dice game with my friend Kyle. Each of us roles a standard six-side die obtaining a number at random from 1 to 6. What is the probability that my number is greater than Kyle’s number? Answer below was posted last night. Is the answer

    asked by Please Help on November 1, 2011
  30. Math Binomial theorem

    I'm preparing for a test and one of the questions in my text is as follows: In a trivia contest,Sam has drawn a topic he knows nothing about, so he makes random guesses for the 10 T/F questions. Use the binomial theorem to help find a)the number of ways

    asked by ann on April 18, 2011
  31. algebra 1

    From a shipment of 350 light-bulbs, a sample of 70 was selected at random and tested. If 21 light-bulbs in the sample were found to be defective, how many defective light-bulbs would be expected in the entire shipment?

    asked by alex on September 18, 2011
  32. Math

    The odds are 3 to 5 in favor of drawing a blue marble in one random drawing from an urn containing only red and blue marbles. There are more than 100 marbles in the urn. what is the minimum number of red marbles that there could be in the urn?

    asked by Carson on November 5, 2012
  33. finite math

    Among 26 to 31 year olds 35% say they have driven a car while under the influence of peer pressure. suppose 2 26 to 31 year olds are selected at random. A)the probability that at least 1 has not driven under the influence? B)the probability that at least 1

    asked by john on September 7, 2015
  34. stat probability

    An apartment building has the following apartments: 2 bdrm 3 bdrm 4 bdrm 1st floor 7 3 4 2nd floor 9 0 11 3rd floor 8 4 7 If an apartment is selected at random, what is the probability that it is a 2 bedroom apartment on the 3rd floor?

    asked by Lynn on April 8, 2013
  35. LBCC

    An apartment building has the following apartments: 2 bdrm 3 bdrm 4 bdrm 1st floor 7 3 4 2nd floor 9 0 11 3rd floor 8 4 7 If an apartment is selected at random, what is the probability that it is a 2 bedroom apartment on the 3rd floor?

    asked by Lynn on April 8, 2013
  36. statistics

    A class has 100 students, 70 of which are boys. 70% of the boys are involved in sports, while 40% of the girls are involved in sports. A student is chosen at random. If the student chosen is a boy, what is the probability that he is involved in sports?

    asked by Kaylan on December 4, 2014
  37. math- stat 201

    A firm hires a pool of financial consultants to discuss portfolio recommendations with its clients. The CEO believes that another financial consultant should be hired if the average phone consultation exceeds 350 seconds. A random sample of 100 phone calls

    asked by lea on November 21, 2013
  38. statistics 201

    A firm hires a pool of financial consultants to discuss portfolio recommendations with its clients. The CEO believes that another financial consultant should be hired if the average phone consultation exceeds 350 seconds. A random sample of 100 phone calls

    asked by lea on November 21, 2013
  39. Statistics

    Choose the right answer, and provide the reasons and calculations. A palmist claims that he can accurately predict the age at death (y) of an individual from the length (centimeters) of age line (x) on the right hand of the individual. A random sample of

    asked by Chris on March 17, 2010
  40. MATH

    HELP !!! Which statistics concept is described? Choose from these answers: [(A):statistical test] [(B):Null Hypothesis] [(C):alpha] [(D):one-tailed test] [(E):two-tailed test] [(F):Type I error] [(G):Type II error] [(H):the statistic Z] 1)When a hypothesis

    asked by Anonymous on April 24, 2015
  41. Statistics

    Choose the right answer, and provide the reasons and calculations. A palmist claims that he can accurately predict the age at death (y) of an individual from the length (centimeters) of age line (x) on the right hand of the individual. A random sample of

    asked by Chris on March 17, 2010
  42. statistics

    twenty light bulbs are tested to see if they claims last long as the manufacturers claims they do. three light bulbs failed the test. two light bulbs are selected at random without replacement from this collection of bulbs find the probability that both

    asked by bernie on July 29, 2016
  43. statistics

    Please help- A random sample of n=500 households where 150 have combined cable,phone, and internet service. Firrst, calculate p-hat, the sample proportion of households having such service. Then use a confidence level for pi, the proportion of all

    asked by Sandra on November 13, 2013
  44. Statistics

    a. Critical Thinking Critical Thinking Suppose you and a friend each take different random samples of data pairs (x,y) from the sample population. Assume the samples are the same size. Based on your samples, you compute r= 0.83. Based on her sample, your

    asked by Amanda on October 20, 2013
  45. math

    The table below shows the number of deaths in the U.S. in a year due to a variety of causes. For these questions, assume these values are not changing from year to year, and that the population of the United States is 312 million people. Cause Deaths

    asked by Chistopher on March 26, 2016
  46. Statistics

    a random sample of 10 minature tootsie rolls was taken from a bag. Each piece was weighed on a very accurate scale. The results in grams were 3.087, 3.131,3.241,3.270,3.353,3.400,3.411,3.437,3.477 a.) construct a 90 percent confidence intervalfor the true

    asked by BabyGirl on August 7, 2010
  47. STATS

    Scientists wish to test the mind-readiing ability of a person who claims to have ESP. They use five cards with different and distinctive symbols( square, cicrle, triangle, line, squiggle). Someone picks a card at random and thinks about the symbol. The

    asked by JONATHAN on October 17, 2011
  48. Probability and Statistics

    The proportion of adults living in a small town who are college graduates is estimated to be p = 0.6. To test this hypothesis, a random sample of 15 adults is selected. If the number of college graduates in the sample is anywhere from 6 to 12, we shall not

    asked by Katy on November 28, 2013
  49. Intro to Probability, please check my work.

    A fair coin is flipped three times. You win $5 every time the outcome is heads. Let the random variable X represent the total number of dollars you win. (a) List the sample space. (b) Determine the probability function of X. ====================== Answer:

    asked by Amelie on February 17, 2008
  50. Probability

    This is a lottery odds question. It involves the Mega Millions, where 5 numbers are selected from the intergers 1-56 (without replacement) then a special 6th ball is selected from a new set of intergers 1-46. The odds of winning are 1/175711536. If exactly

    asked by Rey on March 18, 2008
  51. Math

    Could someone please let me know if I did this problem right? A bag contains seven blue marbles and five red marbles. One marble is drawn at random without replacement, and then a second marble is drawn. What is the probability that the second marble is

    asked by B.B. on August 7, 2009
  52. Probability

    A box contains 3 blue, 5 red, 4 white marbles. If one marble drawn at random: find probability of blue given not white. Find probability of not red given not white

    asked by Stacy on January 5, 2016
  53. Marbles

    A jar contains 9 red marbles numbered 1 to 9 and 7 blue marbles numbered 1 to 7. A marble is drawn at random from the jar. Find the probability that the marble is blue or even-numbered.

    asked by Anonymous on October 2, 2016
  54. math

    A bag contains 2 white marbles amd 3 green marbles. Two marbles are drawn at random, one after the other. The first marble is replaced before the second one is drawn. What is the probability that the first marble is green and second one is white?

    asked by damon on March 2, 2017
  55. Marbles

    A jar contains 9 red marbles numbered 1 to 9 and 7 blue marbles numbered 1 to 7. A marble is drawn at random from the jar. Find the probability that the marble is blue or even-numbered.

    asked by Anonymous on October 2, 2016
  56. algebra 2

    A bag contains 7 blue marbles, 5 red marbles, and 9 green marbles. A marble is taken at random from the bag. What is the probability that the marble is blue or red? Please check my answer 12/21

    asked by John on May 26, 2010
  57. math

    Andrea has 8 blue socks and 4 red socks. She chooses one sock at random and puts it on. She then chooses another sock without looking. If the first sock is red, find the probability that the second sock will also be red. 1)3/11 2)1/6 3)2/11 4)1/12

    asked by Aubrey T. on March 30, 2016
  58. Math

    A bag contains 25 tickets each colored either red or yellow. Red tickets are worth $.50 and yellow tickets are $5.00. If the expected value of a ticket drawn at random from this bag is $3.20, how many tickets are red?

    asked by Anonymous on November 11, 2018
  59. Statistics

    In a simple random sample of 80 patients that go to a certain dentist, 9 patients had their teeth whitened. which interval is the 95% confidence interval for the percent of all the dentist's patients who had their teeth whitened? (4.4, 18.2) (8.4, 14.2)

    asked by Clay on May 5, 2016
  60. Finite math and probability

    A jar contains 9 red marbles numbered 1 to 9 and 7 blue marbles numbered 1 to 7. A marble is drawn at random from the jar. Find the probability that the marble is blue or even-numbered. I had 1/7

    asked by Anonymous on October 2, 2016
  61. algebra 2

    teresa and julia are among 10 students who have applied for a trip to washington DC. Two students from the group will be selected at random for the trip. What is the probability that teresa and julia will be the 2 students selected /

    asked by carl on April 23, 2009
  62. statistic

    A final exam in Math 160 has a mean of 73 with standard deviation 7.73. Assume that a random sample of 24 students is selected and the test score of the sample is computed. Assuming the scores are normally​ distributed, what percentage of sample means

    asked by Anonymous on September 11, 2016
  63. Probability and Statistics

    A research psychologist believes that professional athletes tend to be more confident than the typical person. From previous testing, he knows that the scores for people in the general population are approximately normally distributed with a mean of 72 and

    asked by Kim on April 29, 2012
  64. xiamen university

    The probability that a person catches a cold during the cold and flu season is 0.62. Assume that 5 people are chosen at random. A) What is the probability that exactly four of them will catch a cold? B) What is the probability that three or more of them

    asked by agak on October 28, 2012
  65. Random Question

    Posted by Alex on Saturday, June 4, 2011 at 12:55pm. Based on readings from the first 20 chapters of "Invisible Man", what does the narrator mean when he refers to himself as "invisible"? Is it because of all the situations he been in and no one really

    asked by Alex on June 5, 2011
  66. PLZ help!! Stats....

    In testing a new drug, researchers found that 10% of all patients using it will have a mild side effect. A random sample of 14 patients using the drug is selected. Find the probability that: (A) exactly two will have this mild side effect (B) at least

    asked by Jennifer on October 25, 2011
  67. Stats

    In testing a new drug, researchers found that 10% of all patients using it will have a mild side effect. A random sample of 14 patients using the drug is selected. Find the probability that: (A) exactly two will have this mild side effect (B) at least

    asked by Jennifer on October 24, 2011
  68. Can u help me Ms. Sue...Stats

    In testing a new drug, researchers found that 10% of all patients using it will have a mild side effect. A random sample of 14 patients using the drug is selected. Find the probability that: (A) exactly two will have this mild side effect (B) at least

    asked by Jennifer on October 25, 2011
  69. Can u plz help me PsyDag?? Stats

    In testing a new drug, researchers found that 10% of all patients using it will have a mild side effect. A random sample of 14 patients using the drug is selected. Find the probability that: (A) exactly two will have this mild side effect (B) at least

    asked by Jennifer on October 25, 2011
  70. Chemistry check

    Could someone please just check my answers for this? I want to make sure I did these right. 1. A student reported the mass of ten glass beads as 2.507 +/- 0.015 g. What should the student report as the mass of one bead? Explain your answer. A: The student

    asked by Bryant on January 30, 2007
  71. Math

    Records show that 29% of all payments to a mail-order company are submitted after the due date. Suppose 50 payments are submitted this week. Let r be a random variable that represents the number of payments that are late. Use the normal approximation to

    asked by Justina on August 8, 2011
  72. One Math Problem

    At summer camp 20% of the students come from out of state. Megan wants to simulate cabins of 8 campers. She generates random digits from 0 to 9 and lets the digits 0 and 1 represent a camper from out of state. The table: 69531217; 89542756; 89001254;

    asked by Ember on February 19, 2016
  73. Statistics

    Please help. Find the probability of getting 2 hearts if the cards are drawn from a regular deck and the first card is not replaced. A true/false quiz consists of twenty questions. If a student answers the twenty questions by making random guesses, what is

    asked by Mary on December 11, 2006
  74. Physics

    So, "a uniform steel rod of length 1.20 meters and mass 6.40 kg has attached to each end a small ball of mass 1.06 kg. The rod is constrained to rotate in a horizontal plane about a vertical axis through its midpoint." There's more to the question, but the

    asked by Nora on March 30, 2015
  75. statistik

    can you show me the caculation :) Last year, 50% of MNM, Inc. employees were female. It is believed that there has been a reduction in the percentage of females in the company. This year, in a random sample of 400 employees, 180 were female. a.Give the

    asked by mira on December 2, 2012
  76. Maths

    Siuan's grandmother recently signed up for a twitter account. She only follows five people - her five grandchildren. Each day, each of her grandchildren make two tweets and at the end of the day Siuan's grandmother gets an e-mail that lists all ten tweets

    asked by John on February 19, 2013
  77. Probability

    Let X,Y,Z be independent discrete random variables with E[X]=2, E[Y]=0, E[Z]=0, E[X^2]=20 E[Y^2]= E[Z^2]=16, and Var(X)=Var(Y)=Var(Z)=16. Let A=X(Y+Z) and B=XY. 1. Find E[B]. E[B]= ? 2. Find Var(B). Var(B)= ? 3. Find E[AB]. E[AB]= ?

    asked by stud81 on October 3, 2018
  78. Math (please help steve)

    Brilli the ant randomly placed a token into a square on a 2×100 chessboard according to a probability distribution P. The token is then moved uniformly at random to one of the horizontally, vertically, or diagonally adjacent squares. The probability that

    asked by Danny on July 16, 2013
  79. Probability (Please check revised answer)

    X, is assumed to be a random variable by placing letters of the word “YACHT” in a hat. If these letters are withdrawn then it gets replaced. A value of 1 is given when a vowel is retrieved, and a value of 2 is given when a consonant is retrieved while

    asked by Anonymous on September 14, 2017
  80. statistics

    air coin is flipped 20 times. a. Determine the probability that the coin comes up tails exactly 15 times. b. Find the probability that the coin comes up tails at least 15 times. c. Find the mean and standard deviation for the random variable X giving the

    asked by nneamaka on September 24, 2013
  81. Math (Please Check)

    X, is assumed to be a random variable by placing letters of the word “YACHT” in a hat. If these letters are withdrawn then it gets replaced. A value of 1 is given when a vowel is retrieved, and a value of 2 is given when a consonant is retrieved while

    asked by Anonymous on September 13, 2017
  82. communication

    X and Y are discrete jointly distributed discrete valued random variables. The relation between their joint entropy H(X,Y) and their individual entropies H(X),H(Y) is H(X,Y)≤H(X)+H(Y), equality holds when X,Y are independent H(X,Y)≤H(X)+H(Y), equality

    asked by digital communication on August 8, 2018
  83. statistics

    The Ace AirLines has a policy of overbooking flights. The random variable x represents the number of passengers who cannot be boarded because there were more passengers that seats. x P(x) 0 0.061 1 0.132 2 0.255 3 0.345 4 0.207 a)Is this a probability

    asked by dee on September 24, 2011
  84. satistics

    Among a random sample of 500 college students, the mean number of hours worked per week at non-college related jobs is 14.6. This mean lies 0.4 standard deviations below the mean of the sampling distribution. If a second sample of 500 students is selected,

    asked by Lissa on September 15, 2015
  85. statistics

    A 4 to 7 month old baby sleeps an average of 14 hours per day. At this age, babies sleep patterns follow normal distribution with the standard deviation of 1.6 a) is it unusual for a baby to sleep under 12 hours a day? b) In a random sample of 10 babies of

    asked by adriana on November 30, 2014
  86. Finite Math

    John has three coins in his pocket. One is fair, one has two heads, and the third is unbalanced, showing head 60% of the time. John grabs a coin at random and tosses it. Find the probability that: 1) The coin shows a head 2) The coin is regular, give that

    asked by Preet on July 22, 2012
  87. Math

    You order sixteen burritos to go from a Mexican restaurant: seven with hot peppers and nine without. However, the restaurant forgot to label them. If you pick four burritos at random, find the probability that at least two of the burritos you pick have hot

    asked by 0zz on April 14, 2015
  88. statistics

    For this class, the first quiz had a mean of 90.4% with a standard deviation od 16.6%. The homework scores have a mean of 81.7% with a standard deviation of 22.28%. Suppose you scored 90% on quiz one and have a homework total of 84%. A)are the reported

    asked by lauren on February 17, 2008
  89. statistics

    Six cards-ace, king, queen of hearts; ace, king of diamonds; and king of clubs-are all placed face down a table. One card is to be selected at random. Find the probability: a) of an ace, given that a diamond was turned b) of an ace, given that a club was

    asked by Anonymous on November 7, 2007
  90. statistics

    EXERCISE: POSSIBLE VALUES OF THE ESTIMATES Suppose that the random variable È takes values in the interval [0,1]. a) Is it true that the LMS estimator is guaranteed to take values only in the interval [0,1]? b) Is it true that the LLMS estimator is

    asked by alec on April 14, 2015
  91. Statistics

    A confidence interval was used to estimate the proportion of statistics students that are females. A random sample of 72 statistics students generated the following 90% confidence Interval: (.43, .63). based on the interval above, is the population

    asked by Anonymous on November 23, 2010
  92. Statistics

    In a shipment of 21 parts, four of the parts are defective. If three parts are selected at random without replacement, find the probability that : a.) All three parts selected are defective. 4/21*3/20*2/19=.003 b.) None of the tree parts selected are

    asked by Grace on February 26, 2016
  93. math

    The number of years of education of self-employed individuals in the United States has a population mean of 13.6 years and a population standard deviation of 3.0 years. If we survey a random sample of 100 self-employed people to determine the average

    asked by alle on November 1, 2017
  94. Statistics

    The average amount of time people spend on facebook each day is 71 minutes, with a standard deviation of 4.7 minutes. Are you more likely to select a random person that spends less than 68 minutes per day, or a group of 35 people that spend on average less

    asked by Ashley on November 15, 2012
  95. m/c

    A researcher is hired by a company to ascertain the morale of company employees. The company employs over 10,000 employees. The researcher takes a random sample of 237 employees, interviews each sampled employee, and uses the information to project the

    asked by Thara! on May 21, 2010
  96. statistics

    A group of applicants for a position consists of 8 people who are qualified and 7 whoa are not. If we select two people at random to be interviewed (obviously without replacement), find the probability that we get: a. two qualified people b. one qualified

    asked by stats-help on January 24, 2008
  97. Statistics

    the average length of time for students to register for fall classes at a certain college has been 50 minutes. a new registration procedure using modern computing machine is being tried. if a random sample of 12 students had an average registration time of

    asked by Jacy on March 10, 2011
  98. business statistics

    An assembly process includes a torque wrench device that automatically tightens compressor housing bolts; the device has a known process standard deviation of ó = 3 lb-ft in the torque applied. A simple random sample of 35 nuts is selected, and the

    asked by Samantta on July 30, 2009
  99. Statistics

    Suppose that the probability distribution of a random variable x can be described by the formula P(x) = x/15 For each of the values x = 1, 2, 3, 4, and 5. For examples, then, p(x=2) = p(2) = 2/15 a Write out the probability distribution of x. b Show that

    asked by Chinadoll on October 26, 2009
  100. business statistics

    An assembly process includes a torque wrench device that automatically tightens compressor housing bolts; the device has a known process standard deviation of ó = 3 lb-ft in the torque applied. A simple random sample of 35 nuts is selected, and the

    asked by Tonya on August 1, 2009

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