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November 26, 2014

Search: Probabilities

Number of results: 473

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
a city is served by two newspapers-the Tribune and the Daily News. Each Sunday a 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 14, 2014 by tracy

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 newspapers—the 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 customer’s buying a particular newspaper in a week, given the newspaper purchased ...
November 15, 2011 by Zanobia

accounting
A city is served by two newspapers—the 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 customer’s 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

statistics
11. All probabilities can be expressed as decimal values ranging from 0 to 1.00.
October 12, 2014 by Anonymous

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 ”Ü5 6-10 11-15 16-20 21-30 ”Ż31 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 John’s 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 John’s 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 ƒŹ=10 & STANDARD DEVIATION ƒŠ=2. FIND THE PROBABILITIES: 9.4 Ś X Ś 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 µ = 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 µ=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

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