Question: 1 } Let X be normally distributed with a mean * = 90 and a standard deviation ` = 30 . Determine the probability that

$\\1 } Let X be normally distributed with a mean *$

\\1 } Let X be normally distributed with a mean * = 90 and a standard deviation ` = 30 . Determine the probability that X is less than 84 . 9 . In other words , let X ~ ~ ( 90 , 30 ) and evaluate P ( X

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