Let be the mean of a random sample of size n 15 from a distribution with mean 80 and variance 2 60 Use Chebyshevs inequality to find a lower bound for P(75 85)

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Question: Let be the mean of a random sample of size n = 15 from a distribution with mean = 80 and variance 2

Let be the mean of a random sample of size n = 15 from a with mean μ = 80 and variance σ2 = 60. Use Chebyshev’s inequality to find a lower bound for P(75 < < 85).

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