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Question 61 / 1 ptsWhat is the probability that the mean GPA for 64 randomly selected BYU-Idaho studentswill be less than 3.5? Round your answer to three decimal places.Use the following information to answer the next 4 questions.Question 71 / 1 ptsFind the z-score corresponding to a tank with a capacity of 8550 gallons. Round your answer to one decimal place. (Example: 0.3)Question 81 / 1 ptsWhat is the probability that a randomly selected tank will have a capacity of less than 8550 gallons? Round your answer to three decimal places. (Example: 0.398)
Question 91 / 1 ptsA simple random sample of n = 20 tanks will be selected. Find the z-score corresponding to a sample mean capacity for 20 tanks of 8550. Round your answer to three decimal places. (Example: 0.398)Correct!Correct AnswersQuestion 100 / 1 ptsA simple random sample of n = 50 tanks will be selected. What is the probability that themean capacity for these 50 tanks will be greater than 8540 gallons? Round your answerto three decimal places. (Example: 0.398)2.236