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

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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) (1pts) Is the distribution of p approximately normal? Justify your answer. (c) (3pts) What is the probability that the sample proportion lies between 75% and 85%

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