788 Answered Questions for the topic Probability & Statistics

Probability & Statistics

10/20/14

Concerning two events A and B, the following probabilities are specified:
Concerning two events A and B, the following probabilities are specified:P(A) = .4. P(B) = .3, and P(A [ B) the symbol here between A and B is the union symbol that looks like a u. = .6. What is... more
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Probability & Statistics

10/20/14

Suppose a fair die has its even-numbered faces painted red. (The oddnumbered
Suppose a fair die has its even-numbered faces painted red. (The oddnumberedfaces are white). Consider the experiment of rolling the dieonce and the events:A = [ 2 or 3 shows up ],B = [ Red face... more
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Probability & Statistics

10/20/14

The letters A,B,C,D,E,F, and G are arranged in random order.
3. The letters A,B,C,D,E,F, and G are arranged in random order.(a) What is the probability that A and E are next to each other?(b) What is the probability that A, B, and C appearing in a row in... more
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Probability & Statistics

10/20/14

Concerning two events A and B, the following probabilities are specified:
Concerning two events A and B, the following probabilities are specified:P(A) = .4. P(B) = .3, and P(A [ B) = .6. What is the probability that“A occurs and B does not occur”?
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Probability & Statistics

10/17/14

Box 1 contains 3 red
Box 1 contains 3 red and 2 blue box 2 has 2 red and 3 blue ball from 1 is put in box 2 what is probability it is red
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Probability & Statistics

10/16/14

Suppose a fair die has its even-numbered faces painted red. (The oddnumbered
Suppose a fair die has its even-numbered faces painted red. (The oddnumberedfaces are white). Consider the experiment of rolling the dieonce and the events:A = [ 2 or 3 shows up ], (brackets are... more
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Probability & Statistics

10/16/14

concerning two events
Concerning two events A and B, the following probabilities are specified:P(A) = .4. P(B) = .3, and P(A [ B)  (this is to be a union symbol between A and B, the one that looks like a U) = .6. What... more
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Probability & Statistics

10/16/14

letters arranged in random order
The letters A,B,C,D,E,F, and G are arranged in random order.(a) What is the probability that A and E are next to each other?(b) What is the probability that A, B, and C appearing in a row in... more
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Probability & Statistics

10/15/14

probability
Suppose a fair die has its even-numbered faces painted red. (The oddnumberedfaces are white). Consider the experiment of rolling the dieonce and the events:A = [ 2 or 3 shows up ],   symbols are... more
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Probability & Statistics

10/15/14

Suppose a fair die has its even-numbered faces painted red. (The oddnumbered
Suppose a fair die has its even-numbered faces painted red. (The oddnumberedfaces are white). Consider the experiment of rolling the dieonce and the events:A = [ 2 or 3 shows up ],B = [ Red face... more
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Probability & Statistics

10/14/14

The letters A,B,C,D,E,F, and G are arranged in random order.
The letters A,B,C,D,E,F, and G are arranged in random order.(a) What is the probability that A and E are next to each other?(b) What is the probability that A, B, and C appearing in a row in... more
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Probability & Statistics

10/11/14

The probability that an airline will have to award a 2 or more discounts a month. .
What is the probability that an airline will have to award 2 or more discounts a month? Given that there are 20 passengers on a plane and give awards to a pair of matching birthdays. There are 6... more
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Probability & Statistics

10/07/14

a horse race has 11 entries and one person owns 2 of those horses. Assuming no ties what probability that those two horses finish first & second?
probability and statistics help Im stuck!!!!!!
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Probability & Statistics

10/05/14

A business group conducts a survey of the quality of service offered by the 50 auto repair shops in a certain city.
Let G = provides good service GC = does not provide good service Let L = is a local repair shop LC = is a dealer’s service center.   Use the following information to complete the table with... more
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Probability & Statistics Statistics Math Help Statistics Question

10/03/14

Stats Help help
1)You conducted a t test for independent means, and found that the t score equaled 0. This means that a. the two population means must be equal. b. the two population variances must be equal. c.... more
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Probability & Statistics

09/25/14

Find proportion given mean and standard diviation
If a student A scored 34 on a test of reading and the test had a mean of 51 and a standard deviation of 9, what proportion of test respondents scored below student A?
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Probability & Statistics

08/24/14

If a customer were to randomly pick a pen from the bag what is the most number of draws until he would have two pens of the same color?
Your business has a bag filled with 35 pens. There are 10 black pens, 8 blue pens, 2 red pens, and 15 green pens. If a customer were to randomly pick a pen from the bag what is the most number of... more
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Probability & Statistics

08/21/14

Probability Question
If you roll two dice (a green one and a red one), how many different outcomes are there for that roll? (in other words, how many different combinations could you get on the two dice)? 
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Probability & Statistics

08/21/14

Probability Question
If you flipped a coin 3 consecutive times, what would be the probability that all three results were the same?
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Probability & Statistics

08/21/14

Probability Question
What would the probability be of pulling a card out of a regular deck of playing cards and having it be black and an even number?
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Probability & Statistics

08/21/14

Probability Question
What would be the probability be of pulling a card out of a regular deck of playing cards and having it be a heart?
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Probability & Statistics

08/03/14

Probability questions.
In studying the relationship between loan delinquency and borrower characteristics, a bank found the following information:• 80% of borrowers have been employed at their present job for 3 or more... more
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Probability & Statistics

08/01/14

How to determine a p-level from a percentage.
How do you convert a percentage to a p-level?
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Probability & Statistics

07/31/14

You do not need to type in the formulas. Indicate the n and p for the Binomial setting and describe the steps taken to solve the problem.
I just cant put this question into laymen's terms. Please help 
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Probability & Statistics

07/30/14

Construct a scatter plot, find the value of the linear correlation coefficient r
Listed below are baseball team statistics, consisting ofthe proportions of wins and the result of this difference: Difference (number of runs scored)-(number of runs allowed). The statistics are... more
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