Question: Suppose that a random variable Z has mean E(X) = 15 and variance Var(X) = 4, but its probability distribution is unknown. Use Chebyshev's Inequality

Suppose that a random variable Z has mean E(X) = 15 and variance Var(X) = 4, but its probability is unknown. Use Chebyshev's Inequality to find the value of the constant c where Pr(|X - 15| < c) > 0.96.

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