803 Answered Questions for the topic Probability & Statistics

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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Probability & Statistics

07/18/14

Clarkson University surveyed alumni to learn more about what they think of Clarkson. One part of the survey asked respondents to indicate whether their overall
Clarkson University surveyed alumni to learn more about what they think of Clarkson. One part of the survey asked respondents to indicate whether their overall experience at Clarkson fell short of... more
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Probability & Statistics

07/11/14

If 65% of the students purchase tickets for the play and 60% purchase tickets for the games. At least what percent of students purchased both tickets?
what is the percent of students that purchase both tickets given that 65% buy tickets for the play and 60% buy tickets for the game?
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Probability & Statistics

07/10/14

What is the probability that the first 2 customers both get a 50% discount? What is the probability that none of the 1st 3 customers gets more than a 30% discou
A clothing store advertises that every customer that walks into the store can throw a dice onto a table that has squares labeled with discount amounts. The table is divided into ten regions. 5... more
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Probability & Statistics

07/10/14

After picking 10 m&ms in a row, you still have not picked a red one. A friend says that you should have a better chance of getting a red one on your next pick
Contd:since you have yet to see one. Comment on this. Background: 10% each brown and red. 20% each yellow, blue and orange. The rest are green.
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Probability & Statistics

07/10/14

What is the probability if you pick 4 M&m's in a row, that they are all blue? That none are green? At least one is red?
A company manufactured m&ms. The report that they make 10% each brown and red. 20% each yellow, blue and orange. The rest are green.
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Probability & Statistics

07/10/14

Using the same details from the m&ms, if you pick 4 in a row, what is the probability that: they are all blue? None are green? At least one is red?
Use the same percentages from the previous m& m question I had asked. Thankyou. This stinks that you need at least 20 characters.
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Probability & Statistics

07/10/14

Peanut butter m&ms manufactured. 10% each are brown and red. 20%each yellow, blue and orange. The rest green
What is the probability if chosen at random that you will pick green? That it is red, yellow or blue? That it is not orange?
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Probability & Statistics

06/20/14

What is the probability that a randomly selected US household owns neither a cat nor a dog?
national pet owners survey, 39% of U.S households own at least one dog and 34% of US households own at least one cat. Assume that 60% of US households own a cat or a dog.
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Probability & Statistics

06/19/14

Based on probability of normal distribution
 Atire company wishes to set aminimum mileage guarantee on its new type of tire.Tests reveal that mean mileage is 67,900 with a standard deviation of 2050 miles and that the distribution miles... more
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Probability & Statistics Probability

06/12/14

Dice roll probability distribution
Let a fair die be rolled 2 times. Let’s assume that the 2 rolls are independent. Let X and Y be the outcomes of the first and second rolls, respectively.   a. What is the probability distribution... more
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