Answer Happy

Please show exactly what you did and what rules did you follow,
and show all your work clearly so I can follow it easily. Thank
you.
Question 7. 6 pts 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) (2 pts) 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%? 8 of 13