Thursday

September 18, 2014

September 18, 2014

Number of results: 461

**7th Grade Math stuffs**

Compare probabilities of independent and probabilities of dependent events. Any examples???
*January 17, 2013 by lazyburrito*

**Math**

Can someone please help me. A single card is selected from a standard 52-card deck. B= the drawn card is black; R= the drawn card is red; Q= the drawn card is a queen; F= the drawn card is a face card ( a king, queen or jack). Without finding the probabilities, determine if B ...
*December 1, 2012 by James*

**Probability**

Can someone please help me. A single card is selected from a standard 52-card deck. B= the drawn card is black; R= the drawn card is red; Q= the drawn card is a queen; F= the drawn card is a face card ( a king, queen or jack). Without finding the probabilities, determine if B ...
*December 1, 2012 by James*

**Probability**

Can someone please help me. A single card is selected from a standard 52-card deck. B= the drawn card is black; R= the drawn card is red; Q= the drawn card is a queen; F= the drawn card is a face card ( a king, queen or jack). Without finding the probabilities, determine if B ...
*December 2, 2012 by Kelsey*

**Help with Calculating Probabilities**

Anon: Do you know how to calculate probabilities like P10, P20, P30...? I do not understand lot of this statistics stuff and desperately need help. Thanks
*September 13, 2012 by Bev*

**Stats**

If there are only two possible outcomes to an experiment then... A.) the two corresponding probabilities must each be.50. B.) the two corresponding probabilities could be any numbers between 0 and 1, but must add up to 1. C.) the two corresponding probabilities could each be ...
*November 2, 2011 by Mandy*

**statistics**

A professional gambler claims that he has loaded a die so that the outcomes of 1,2,3,4,5,6 have corrresponding probabilities of 0.1, 0.2, 0.3, 0.4, 0.5, and 0.6. Can he actually do what he has claimed? Is a probablility distrubion described by listening the outcomes along with...
*May 29, 2011 by Jessica*

**math**

A single card is selected from an ordinary deck of cards. The sample space is shown in the figure below. Find the probabilities. (Enter the probabilities as fractions.) (a) P(two of diamonds) 1 (b) P(two) 2 (c) P(diamond) 3
*June 7, 2013 by Jean Claude*

**math probablity- Respond as soon as possible **

Assume a family is planning to have three children. 1. Why do probabilities centered around this scenario represent the same probabilities as those for flipping three coins
*April 26, 2013 by Angela*

**Statistics**

Suppose you conduct a study and find that the probability of having a baby boy is 60%. Now suppose three of your relatives are going to have babies. a) Build a tree diagram showing all the conditional probabilities and joint probabilities associated with the sex of the three ...
*May 10, 2008 by Danny*

**Statistics**

Suppose you conduct a study and find that the probability of having a baby boy is 60%. Now suppose three of your relatives are going to have babies. a) Build a tree diagram showing all the conditional probabilities and joint probabilities associated with the sex of the three ...
*May 11, 2008 by Danny*

**Algebra, Need help with last part.Thank you**

A single card is selected from an ordinary deck of cards. The sample space is shown in the figure below. Find the probabilities. (Enter the probabilities as fractions.) P (two of hearts0 I got 1/52 correct P ( two)I got 4/52 correct P (heart)I am not sure.
*May 26, 2014 by Mary Ann *

**Statistics-Matrix of Transition Probabilities**

Given the following matrix of transition probabilities, write three equations that, when solved, will give the equilibrium state values. P = large bracket with a b on top and c d directly under that, closed large bracket. Thanks.
*February 6, 2012 by Lisa*

**math**

you roll a number cube. what are the odds in favor of rolling a 1 or a 5?thanks. There are 6 sides of a cube. You want one of 2 numbers to show up. So it's 2/6 chance....or 1/3 Matt I assume that you are talking about a die (Singular for "dice"), it has a total of 6 sides. ...
*April 13, 2007 by dillon*

**harvard**

6. For Design 3, consider the probability of a random individual in South Dorchester being sampled; and the probability of a random individual in Harbor Islands being sampled. These probabilities are approximately the same as the probabilities calculated using:
*December 8, 2012 by jasonsie*

**Mathematics**

Please help... In a 200 m swimming race between 8 boys, the probability of Omar winning the race if he is in one of the two outside lanes is 1/4. If he is in any of the other lanes, the probability of Omar winning is 1/3. If the lanes are drawn at random, what is the overall ...
*May 29, 2007 by Elizabeth*

**math**

Three boxes, labeled A,.B. C, contain 1 red and 2 black balls, 2 red and 1 black balls, and 1 red and 1 black ball, respectively. Compute the terminal probabilities by using the multiplication technique. Then add the terminal probabilities for all the outcomes in which the ...
*July 7, 2013 by Annonymous*

**Probability**

There are three investment plans for your consideration. Each plan calls for an investment of $25,000 and the return will be one year later. Plan A will return $27,500. Plan B will return $27,000 or $28,000 with probabilities of 0.4 and 0.6, respectively. Plan C will return $...
*February 1, 2009 by Julie*

**Statistics**

A roster contains the names of 12 students from the School of Math, Science and Engineering (MSE) and 8 students from the Dreeben School of Education (DSE). Determine the probabilities of randomly selecting the following if the selection is done without replacement: A) An MSE ...
*March 7, 2011 by James*

**accounting**

A city is served by two newspapersthe Tribune and the Daily News. Each Sunday reader purchases one of the newspapers at a stand. The following transition matrix contains the probabilities of a customers buying a particular newspaper in a week, given the newspaper purchased ...
*November 15, 2011 by Zanobia*

**accounting**

A city is served by two newspapersthe Tribune and the Daily News. Each Sunday reader purchases one of the newspapers at a stand. The following transition matrix contains the probabilities of a customers buying a particular newspaper in a week, given the newspaper purchased ...
*July 26, 2014 by bcky1958*

**probabilities**

z < .05=
*August 4, 2010 by Felicia*

**Math**

A license plate is to consist of two letters followed by three digits. How many different license plates are possible if the first letter must be a vowel, and repetition of letters is not permitted, but repetition of digits is permitted? For the first letter, how many vowels ...
*March 25, 2007 by Carlos*

**Alegbra help**

Find the requested probabilities. P(B) if P(B)=1/5
*September 9, 2011 by Anonymous*

**math**

Find the requested probabilities. P(B) = 1/5
*September 11, 2012 by Anonymous*

**probability**

Let Y=X2. Calculate the following probabilities: P(Y=0)= P(Y=1)= P(Y=2)=
*February 27, 2014 by lin*

**probabilities**

What is the probability of obtaining tails or a five
*June 5, 2013 by Anonymous*

**statistics**

How can the concept of probabilities be used in the nursing profession?
*June 1, 2010 by cortez*

**Statistics**

Normal probabilities. 11% of all observations are less than z
*September 24, 2011 by Mariana*

**statistics**

Identify why this assigbment if probabilities cannot be legitimite: P(A)=0.4, P(B)=0.3, P(AandB)= 0.5
*November 5, 2011 by yvonne*

**math**

If A and B are independent events, P(A) = 0.35, and P(B) = 0.55, find the probabilities a) P(A intersected B) b) P(A united B)
*February 28, 2011 by sam*

**statitics**

Evaluate these binomial probabilities a. C82 (.2)2 (.8)6 b. C81 (.2)1 (.8)7 c. C80 (.2)0 (.8)8 d. P(X ≤ 1), when n = 8, p = 0.2
*October 17, 2010 by Anonymous*

**Probability **

Let A and B be events in a sample space S such that P(A) = 0.6, P(B) = 0.4, and P(A B) = 0.27. Find the probabilities below P(A|B)
*February 28, 2011 by Anonymous*

**ALGEBRA**

Find the requested probabilities. $$ P(\overline{A}) \ \text{if} \ P(A) = {\color{red}0.9} $$ P(A) =
*June 3, 2012 by Urgen please help*

**math**

One problem encountered by developers of the space shuttle program is air pollution in the area surronding the launch site. Acertain direction from the launch site is considered critical in terms of hydrogen chloride pollution from the exhaust cloud. It has been determined ...
*November 15, 2012 by Andrew*

**posibility**

One problem encountered by developers of the space shuttle program is air pollution in the area surronding the launch site. Acertain direction from the launch site is considered critical in terms of hydrogen chloride pollution from the exhaust cloud. It has been determined ...
*November 16, 2012 by Allen*

**math**

One problem encountered by developers of the space shuttle program is air pollution in the area surronding the launch site. Acertain direction from the launch site is considered critical in terms of hydrogen chloride pollution from the exhaust cloud. It has been determined ...
*November 17, 2012 by Katarzyna*

**math**

One problem encountered by developers of the space shuttle program is air pollution in the area surronding the launch site. Acertain direction from the launch site is considered critical in terms of hydrogen chloride pollution from the exhaust cloud. It has been determined ...
*November 18, 2012 by Katarzyna*

**Statistics**

5.22) A survey of employees at a large company found the following relative frequencies for the one-way distances they had to travel to arrive at work: Number of Miles (One-way) A B C D E F 5 6-10 11-15 16-20 21-30 31 Relative Frequency 0.38 0.25 0.16 0.09 0.07 0.05 a. ...
*July 20, 2009 by Yamil*

**statistics**

Which of the following numbers could not possibly be probabilities? justify your answer a)0.124 b)1 c)-0.1142 d)0 e)2/7 f)6/5 g)2.8
*February 5, 2008 by mary*

**Probabilities**

There are 10 contestants in a scrabble tournament. The number of ways in which the 3 finalists can be chosen is closest to?
*May 1, 2009 by Andrey L*

**statistics**

if 20% of the people in a community use the library in one year, find these probabilities
*August 8, 2011 by krys*

**Finite Math**

Let A,B be events in a sample space. you are given the following probabilities: P(A)=0.8, P(B|A)=0.3, P(B|A^c)=0.8 Find: 1) P(B) 2) P(A|B) 3) P(A^c|B^c)
*July 23, 2012 by Preet*

**business statistics**

Assume that X is a binomial random variable with n = 5 and p = 0.35. Calculate the following probabilities?
*November 14, 2012 by Alicia*

**Math/230**

A 350 word response how to compute probabilities using z score
*March 14, 2013 by Mike*

**Statistics**

True or False All probabilities can be expressed as decimal values ranging from 0 to 1.00.
*December 5, 2013 by Lyndyc*

**Determining Probabilities**

If a spinner has 10 equal-sized sections, which of the following will be false? P(1) = 10% P(not 1) = 10% P(2) = 10% P(not odd) = 50%
*February 18, 2014 by Jamar*

**Statistics**

A loaded die is tossed. Which of the following assignments could be made for the probabilities of each simple outcome. P(1) = .2 P(2) = .2 P(3) = .2 P(4) = .1 P(5) = .1 P(6) = .1 P(1) = .2 P(2) = .3 P(3) = .1 P(4) = .1 P(5) = .1 P(6) = .0 P(1) = .1 P(2) = .1 P(3) = .1 P(4) = ....
*November 24, 2011 by Brea*

**statistics**

Given that z is a standard normal random variable, compute the following probabilities (to 4 decimals). P(z -1.0) P(z -1.0) P(z -1.5) P(z -2.5) P(-3 < z 0)
*April 5, 2014 by Vanessa*

**statistics**

Given that z is a standard normal random variable, compute the following probabilities (to 4 decimals). P(z -1.0) P(z -1.0) P(z -1.5) P(z -2.5) P(-3 < z 0)
*April 6, 2014 by Vanessa*

**statistics**

Given that z is a standard normal random variable, compute the following probabilities (to 4 decimals). P(z -1.0) P(z -1.0) P(z -1.5) P(z -2.5) P(-3 < z 0)
*April 7, 2014 by vanessa*

**statistics**

3coins are tossed calculate the followin probabilities p(3heads) p(2heads and 1 tail) p(3 tails)
*April 20, 2014 by shumaila.imtiaz*

**math**

In a game, a player tosses a coin 4 times. If the player gets 3 or 4 heads, he/she wins. What is the theoretical probability of winning this game? I just need to know the outcomes. I don't know how to get them. Please and Thank you. Coin 1: 50% Heads Coin 2: 50% Heads Coin 3: ...
*May 30, 2007 by Angela*

**posibility **

One problem encountered by developers of the space shuttle program is air pollution in the area surronding the launch site. Acertain direction from the launch site is considered critical in terms of hydrogen chloride pollution from the exhaust cloud. It has been determined ...
*November 17, 2012 by Katarzyna*

**math**

One problem encountered by developers of the space shuttle program is air pollution in the area surronding the launch site. Acertain direction from the launch site is considered critical in terms of hydrogen chloride pollution from the exhaust cloud. It has been determined ...
*November 17, 2012 by Katarzyna*

**math**

Could someone please describe two main differences between classical and empirical probabilities.
*February 17, 2011 by Dave*

**Physics**

Can someone explain why electrons cannot exist in orbitals and why we need to describe their location in terms of probabilities.
*June 6, 2013 by Anonymous*

**Quantitative Analysis for business**

Key considerations as Allied develops its strategy for disposing of the case are the probabilities associated with Johns response to an Allied counteroffer of $400,000 and the probabilities associated with the three possible trial outcomes. John will accept a counteroffer of...
*March 25, 2011 by Vanessa*

**Statistics**

True or False Probabilities may take on negative values only when the events are occurring less than 50% of the time.
*February 22, 2010 by Ric*

**Statistics**

True or False Probabilities may take on negative values only when the events are occurring less than 50% of the time.
*February 22, 2010 by Ric*

**math**

Assume that your sample space is S = {O1, O2, O3, O4, O5, O6 } with associated weights (probabilities) w1 = 0.15, w2 = 0.25, w3 = 0.10, w4 = 0.20, w5 = 0.15, and w6 = 0.15. Determine the probability of the following events: {O3 }∩{O5 }:
*September 29, 2010 by Tiff*

**statistics**

Assume that your sample space is S = {O1, O2, O3, O4, O5, O6 } with associated weights (probabilities) w1 = 0.15, w2 = 0.25, w3 = 0.10, w4 = 0.20, w5 = 0.15, and w6 = 0.15. Determine the probability of the following events: {O3 }∩{O5 }:
*September 29, 2010 by Tiff*

**Math**

Random variable X is normally distributed with mean 10 and standard deviation 2. Compute the following probabilities. a. Pr(X<10) b. Pr(X<11.04) I don't know where to start.
*November 10, 2011 by Sally*

**statistics; emergency please help me**

Given that z is a standard normal random variable, compute the following probabilities (to 4 decimals). c. P(z -1.5) d. P(z -2.5)
*April 8, 2014 by Vanessa*

**statistics; emergency please help me**

Given that z is a standard normal random variable, compute the following probabilities (to 4 decimals). a. P(z -1.5) b. P(z -2.5)
*April 10, 2014 by Vanessa*

**stats**

Violence in School, I An SRS of 400 American adults is asked What do you think is the most serious problem facing our schools? Suppose that in fact 40% of all adults would answer violence if asked this question. The proportion p of the sample who answers violence will ...
*March 13, 2009 by jaz*

**ap stats**

Violence in School, I An SRS of 400 American adults is asked What do you think is the most serious problem facing our schools? Suppose that in fact 40% of all adults would answer violence if asked this question. The proportion p of the sample who answers violence will ...
*March 18, 2009 by bobby*

**Math**

in a family with two children, what are the probabilities of the following outcomes, assuming that the birth of boys and girls is equally likely?
*January 24, 2010 by Judy*

**Math Probabilities **

P(A or B) = P(A) + P(B) − P(A and B) when 1. A and B are mutually exclusive 2. A and B are complements 3. A and B occur together 4. A and B are dependent I am pretty confused on this one help will be great :)
*September 29, 2013 by Alex*

**stats need help**

Violence in School, I An SRS of 400 American adults is asked What do you think is the most serious problem facing our schools? Suppose that in fact 40% of all adults would answer violence if asked this question. The proportion p of the sample who answers violence will ...
*March 14, 2009 by jaz*

**stats need help**

Violence in School, I An SRS of 400 American adults is asked What do you think is the most serious problem facing our schools? Suppose that in fact 40% of all adults would answer violence if asked this question. The proportion p of the sample who answers violence will ...
*March 17, 2009 by Jaz*

**Quantitative Analysis for business**

Key considerations as Allied develops its strategy for disposing of the case are the probabilities associated with Johns response to an Allied counteroffer of $400,000 and the probabilities associated with the three possible trial outcomes. John will accept a counteroffer of...
*March 25, 2011 by Vanessa*

**Probabilities**

There are ten contestants in a chess tournament. The number of ways in which the first, second, and third place prizes can be awarded is closest to?
*May 1, 2009 by Andrey L*

**probability**

In a binomial distribution,n=8 and π=.35. Find the probabilities of the following events. (Round your answers to 4 decimal places.) (a)x=1 (b)x≤4 (c)x≥5
*February 8, 2013 by Tonya*

**statistics**

A and B are events defined on a sample space, with the following probabilities. Find P(A and B). (Give your answer correct to two decimal places.) P(A) = 0.5 and P(B | A) = 0.4
*May 26, 2013 by DeeDee*

**math**

A and B are events defined on a sample space, with the given probabilities. Find P(A and B). (Give your answer correct to two decimal places.) P(A | B) = 0.43 and P(B) = 0.75
*May 28, 2013 by DeeDee*

**Math/Statistics**

A and B are events defined on a sample space, with the given probabilities. Find P(A and B). (Give your answer correct to two decimal places.) P(A | B) = 0.43 and P(B) = 0.75
*May 29, 2013 by Nora*

**Math**

I'm not sure how to do this question. Consider the experiments involving rolling a single die once. Give the probabilities of the event described. What is P (even or prime)?
*December 6, 2010 by Rena *

**statistics math**

MEAN =10 & STANDARD DEVIATION =2. FIND THE PROBABILITIES: 9.4 X 10.6 i have 2 different answers but am checking the answer. thank you one is 0.6179 the other is 0.2358
*March 8, 2011 by Jeannie *

**BUSINESS STATISTICS**

The random variable x is normally distributed with mean =1,000 and standard deviation =100. Sketch and find each of the following probabilities: P(x<1,035)
*October 16, 2011 by Shirley*

**BUSINESS STATISTICS**

The random variable x is normally distributed with mean =1,000 and standard deviation =100. Sketch and find each of the following probabilities: P(x<1,035)
*October 18, 2011 by Shirley*

**Statistics**

Suppose that A and B are events defined on a common sample space and that the following probabilities are known. Find P(A or B). (Give your answer correct to two decimal places.) P(A) = 0.34, P(B) = 0.41, P(A | B) = 0.2
*June 8, 2013 by Carl*

**algebra2**

a company has estimated that the probabilities of success for 3 products introduced in the market are 1/5,2/3, and 1/2, respectively. Assuming independence, find the probability that exactly 1 product is successful.
*July 6, 2013 by glenda*

**Math**

If independent events have probabilities p and q, what are the odds of at least one of the events occurring?
*February 22, 2011 by Brian*

**math**

each set of probabilities is associated with a rolling cube. What numbers are marked on the faces of each cube? P(2)=1/3 P(4)=1/3 P(6)=1/3
*March 23, 2012 by Max*

**maths**

the probabilities of a boy passing English and Mathematics tests are x and y. What is the probability of failing both tests(a)1-(x-y)+xy(b)1-(x+y)-xy(c)1-(x+y)+xy(d)1-(x-y)-xy
*September 22, 2013 by Dave*

**Math/Statistics**

Suppose that A and B are events defined on a common sample space and that the following probabilities are known. Find P(A or B). (Give your answer correct to two decimal places.) P(A) = 0.32, P(B) = 0.36, P(A | B) = 0.24
*May 28, 2013 by Nora*

**Math/Statistics**

Suppose that A and B are events defined on a common sample space and that the following probabilities are known. Find P(A or B). (Give your answer correct to two decimal places.) P(A) = 0.32, P(B) = 0.36, P(A | B) = 0.24
*May 29, 2013 by Nora*

**algabra II**

does anyone have the answers to exam 00703600 inequalities, permutations, and probabilities i just need the part on graphing the inequalities
*September 29, 2010 by kay*

**statitics**

Let X be a Poisson random variable with mean = 2.5. Use Table 2 in Appendix I to calculate these probabilities: a. P (X ≥ 5) b. P(X < 6) c. P(X = 2) d. P(1 ≤ X ≤ 4)
*October 17, 2010 by Anonymous*

**math**

if 20%of the people in school use the emergency room at the hospital in one year. find the probabilities for a sample of 8 people
*December 3, 2012 by Anonymous*

**math**

For each value of z*, find the cumulative probability P(Z< or equal to z*). (Round all answers to four decimal places.) z*=0 z*=0.3 z*=-0.3 z*=1.84 z*=-2.38 z*=2.78 z*=1.67 you may need to use the table for standard normal probabilities
*October 17, 2010 by Kaylynn*

**algebra**

1. A container holds 20 pennies, 6 nickels, and 12 dimes. You will randomly select two coins without replacement. a. Fill in the probabilities on each branch of the tree diagram. (4 points)
*April 18, 2012 by lisa*

**Math**

In the question I am working on, there are three jars filled with balls, and a die. Depending on the number that comes up from the die determines which jar a ball is drawn from. I created a tree and have all my individual probabilities. The question asks the probability of a ...
*October 13, 2011 by Zorniac*

**stats-please help**

MEAN=10 & STD DEVIATION=2. FIND THE PROBABILITIES: 9.4 less than X less than 10.6? i have 2 different answers but am checking the answer. thank you
*March 8, 2011 by jean *

**business statistics**

a state of indiana lotto ticket pays winners $0, $5, $25, and $200 with probabilities of 0.94, 0.03, 0.02, and 0.01 respectivley. the expected value of this ticket is
*December 10, 2012 by rick*

**statistics**

without the use of the standard normal tables, should techniques of calculus be used to find the probabilities concerning a normal distribution?
*August 20, 2010 by marie*

**Statistics**

Consider a population with =73.6 and 0 = 5.38 (A) Calculate the z-score for x =72.7 from a sample of size 45. (B) Could this z-score be used in calculating probabilities using Table 3 in Appendix B of the text? Why or why not?
*October 24, 2011 by jane*

**Statistics**

1. Consider a population with =73.6 and 0 = 5.38 (A) Calculate the z-score for x =72.7 from a sample of size 45. (B) Could this z-score be used in calculating probabilities using Table 3 in Appendix B of the text? Why or why not?
*October 25, 2011 by jane*

**ALGEBRA**

A single card is drawn from a standard deck of cards. Find the following probabilities. A face card is a jack, queen, or king.
*November 27, 2011 by Daniel*

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