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QUESTION
Suppose 80% of the incoming email messages for a college’s computer system are spam. Use the CLT to approximate the probability that in a random sample of 200 incoming email messages at this college
Suppose 80% of the incoming email messages for a college’s computer system are spam. Use the CLT to approximate the probability that in a random sample of 200 incoming email messages at this college, the sample proportion of these messages that are spam would exceed .75.
