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Computing the probability values for the given discrete distribution.
Five people are sick with the flu on a bus of 51 people. You shake hands with 5 different people. What is the probability that you did not shake hands with a person with the flu?
Find the mean for the random variable X, the number of students who work full time in sample of size 16. Please round your answer to two decimal places.
What is the probability that a U.S. user who downloads music, selected at random, obtained it from either the United States or Canada.
Suppose the people living in a city have a mean score of 48 and a standard deviation score of 7 on a measure of concerns about the environment.
The correlation between the returns on Ceramics Craftsman, Inc., and the returns on the S&P 500 is 0.675. The variance of the returns on Ceramics Craftsman, Inc., is 0.004225, and the variance of the returns on the S&P 500 is 0.001467.
I could reach my target of 2800 at each of the 5 bookies, making my total profit for the month 14000, or hit my target of -12000 for a total loss of 60000 x 25% kickback, making the total loss for the month only 45000.
If one runner is selected at random, what is the probability that this runner will complete this road race in less than 231.58 minutes?
A life insurance policy has determined that each week an average of seven claims is filed in its Nashville branch. What is the probablity that durning the next week exactly seven claims will be filed?
A researcher testing the affects of music on studying conducts a within participants design. The results are as follows: music 6,7,6,5,6,8,8, and no music 10,7,8,7,7,9,8
The 260 business majors and 100 students from the 180 political science majors. Does this sampling plan result in a random sample? Simple random sample? explain."
The mean equal to 16 oz. and standard deviation equals 0.6 oz. Find the probability that a bottle selected at random will contain less than 15 ounces?
Picking numbers at random I pick two numbers uniformly at random from {1; 2; : : : ; 6n}, with replacement. What is the probability that both numbers choose are divisible by 2?
A number x is formed by choosing six digits in order, each being a 9 or a 1 and equally likely. Describe the sample space and count the number of sample points it contains.
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