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Computation of probability and chebychev inequality

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1. The probability of contracting the kissing disease is .23 when one is exposed to a certain provocative environment. Sixty people are so exposed. What is the probability that no more than 10 are infected with this dreaded disease.

2. A population of unknown shape has a mean of 75. You select a sample of 40. The standard deviation of the sample is 5. What is the probability that the sample mean is between 76 and 77?

Reference no: EM13103103

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