The distribution ages for students at the state college is

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The distribution ages for students at the state college is positively skewed with a mean of 21.5 and a standard deviation of 3.

a. What is the probablitiy of selecting a random sample of n=4 students with an average greater than 23 ?

b. What is the probability of selecting a random sample of n=36 students with an average age greater than 23?

c. For a sample of n=36 students what is the probability that the average is between 21 and 22?

Reference no: EM13642536

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