Probability under four of them have to wait five minutes

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Reference no: EM13130620

Suppose that the probability that it takes more than 5 minutes for staff to respond to a patient's call button is 0.1. If we have a random sample of 6 patients who press call buttons. What is the probability that under 4 of them will have to wait five minutes to more for staff to respond?

Reference no: EM13130620

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