The scores on two standardized tests are normally distributed. The first test had a mean of...

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math Statistics-And-Probability

Answer 1

Answer #1

Sd First lest : Mear, Me= sy Sländard deviation, f = 10 let X.~N(M&= 54, of = 10) Then Z= tu - Mf x.-54 follows sländard Norm

Answer 2

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