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Suppose we are given a probability distribution that has a mean if 12 and a standard...

Suppose we are given a probability distribution that has a mean if 12 and a standard deviation of 0.9.

Use the Chebyshev inequality to find a lower bound estimate of the following probabilities:
(a) The probability that the outcome will lie between 8 and 16
(b) The probability that the outcome lies between 8.5 to 15.5

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