Let X be a random variable that follows the normal with mean of 80 and variance 49. d) Find ?x such that ?(75<?)=0.65P(75<X<x)=0.65. e) What is ?(?≥73)P(X≥73)?
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Let X be a random variable that follows the normal with mean of 80 and variance 49.
d) Find ?x such that ?(75<?<?)=0.65P(75<X<x)=0.65.
e) What is ?(?≥73)P(X≥73)?
i need to know how to do this on a calculator.
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