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The average number of misprints per page in a company’s annual reports is 0.4. If a page is selected

at random, find the probability that it will contain more than two misprints. (5 marks)

(b) On average, one in every four new clients approached by an insurance salesman purchases an insurance policy. Suppose that the salesman approaches five new clients.

(i) Find the probability that exactly two will buy a policy. (5 marks)

(ii) Find the probability that at least two will buy a policy. (5 marks)

Explanation:

B

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