For a normal population with ? = 70 and ? = 12, find the following. (a) What is the probability of obtaining a sample mean greater than 73 for a sample of n = 36 scores? (b) What is the probability of...

For a normal population with ? = 70 and ? = 12, find the following.

(a) What is the probability of obtaining a sample mean greater than 73 for a sample ofn = 36 scores?

(b) What is the probability of obtaining a sample mean greater than 73 for a sample ofn = 9 scores?

Jun 06, 2022