The scores on an aptitude test are ?(60, 5). A sample of 36 scores is obtained. a. What is the probability that a randomly selected score is greater than 62? ______________________ b. What is the...

The scores on an aptitude test are ?(60, 5). A sample of 36 scores is obtained. a. What is the probability that a randomly selected score is greater than 62?
______________________
b. What is the probability that the sample mean is greater than 62?
______________________
c. What sample means account for the top 25% of sample means of this sample size?
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