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QUESTION
A manager at a corporation believes that the percentage of email at his company that is a spam may be 80%.
A manager at a corporation believes that the percentage of email at his company that is a spam may be 80%. He examines a random sample of 500 emails received at an email server and finds that 382 of the messages spam, Perform a hypothesis test to determine whether the percentage of emails that are spam differs from 80% . Use the 0.05 level of significance. Find the p-state value and state the conclusion.
