Harry is in charge of the electronics section of a large department store. He has noticed that the probability that a customer who is just browsing will buy any item is 0.3. Supposed that twenty customers browse in the electronics section each hour. (i) What is the probability that at least one customer will buy any item in a specific hour? (ii) What is the probability that no customer will buy any item in a specific hour?
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Harry has observed that the probability (P) that a customer will buy an item is 0.3. Therefore, the probability that a customer will not buy an item is 1 - P, which is 1 - 0.3 = 0.7. Show more…
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