Z-Scores Worksheet
Quiz on z-Scores and ProbabilitiesThe following scores were obtained as part of a sample with mean 10 and standard deviation 2. For each score, find the appropriate z-score:X = 14: z = X = 8: z = Use the table in the appendix, page 592 of the book, to find the given probabilities. Note: the numbers in the table might not give you the probabilities directly. You might need to draw a suitable picture.Pz>2.0P(z<1) 3.Each score listed below comes from a sample with the indicated mean and standard deviation. Convert each one to a z-score and find the indicated probability:X has mean 5, standard deviation 4. Find P(x>8)X has mean 3, standard deviation 2. Find P(1.2<x<4.5)X has mean 75, standard deviation 12. Find P(80<x<100) ................
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