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Question 11 3 out of 3 points Solve the problem. How many ways can an IRS auditor select 5 of 8 tax returns for an audit? Question 12 3 out of 3 points Solve the problem. A pollster wants to minimize the effect the order of the questions has on a person's response to a survey. How many different surveys are required to cover all possible arrangements if there are 5 questions on the survey? Question 13 3 out of 3 points Find the mean of the given probability distribution. The number of golf balls ordered by customers of a pro shop has the following probability distribution. * P(x) 3 0.14 6 0.02 9 0.36 12 0.38 15 0.10 Question 14 3 out of 3 points Determine whether the given procedure results in a binomial distribution. If not, state the reason why. Rolling a single die 26 times, keeping track of the "fives" rolled. Question 15 3 out of 3 points Assume that a procedure yields a binomial distribution with a trial repeated n times. Use the binomial probability formula to find the probability of x successes given the probability p of success on a single trial. Round to three decimal places. n = 5, x = 2, p = 0.70