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Among 35-40 year olds 39 say they have operated heavy

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Among 35-40 year olds 39% say they have operated heavy machinery while under the influence of alchol. Suppose three 35-40 year olds are selected at random. (a) What is the probability that at least one has not operated heavy machinery while under the influence of alchol? (b) What is the probability that at least one has operated heavy machinery while under the influence of alchol?

Reference no: EM13626386

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