Question: A discrete random variable Y has mean = 20 and variance 2 = 45. Use Tchebysheff's Theorem to find (a) a bound on P(|Y 20|

A discrete random variable Y has mean = 20 and variance 2 = 45. Use Tchebysheff's Theorem to find (a) a bound on P(|Y 20| 6). (b) an interval that contains at least 80% of the distribution

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