Binomial probability-seat belts

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Reference no: EM13100129

Suppose 72% of the drivers regularly use seat belts. You take a random sample of 10 of these drivers.

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What is the probability that the number regularly using seat belts is at least 7?

What is the probability that the number regularly using seat belts is at most 3?

What is the expected value of this distribution?

Reference no: EM13100129

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