Asked by blaire
the mean on the SAT verbal test is 505 with a standard deviation of 111. Assume the variable is normally distributed. Find the probability that the test scores are less than 600
Answers
Answered by
Steve
600 = 505+95 = µ + 0.856σ
So, you want to look up in your Z table for P(Z<.856)
So, you want to look up in your Z table for P(Z<.856)
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