Question 7. 6pts The proportion of university graduates who find employment within six months of graduation is 80%. You have a random sample of n = 400 individuals.

(a) (2pts) What are the mean and standard deviation of p, the sample proportion who find employment?

(b) (1 pts) Is the distribution of p approximately normal? Justify your answer.

(c) (3 pts) What is the probability that the sample proportion lies between 75% and 85%?