What is the probability that he will hit at least once

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Reference no: EM13963701

A man ?res at a target six times; the probability of his hitting it each time is independent of other tries and is 0.40.

(a) What is the probability that he will hit at least once?

(b) How many times must he ?re at the target so that the probability of hitting it at least once is greater than 0.77?

Reference no: EM13963701

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