(A) If 120 scores are chosen from a normal distribution with mean 75 and standard deviation 8,...

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(A) If 120 scores are chosen from a normal distribution with mean 75 and standard deviation 8, how many scores x would be expected to satisfy 67 ≤ x ≤ 83?

(B) Use a graphing calculator to generate 120 scores from the normal distribution with mean 75 and standard deviation 8. Determine the number of scores x such that 67 ≤ x ≤ 83, and compare your results with the answer to part (A).

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Finite Mathematics For Business Economics Life Sciences And Social Sciences

ISBN: 9780134862620

14th Edition

Authors: Raymond Barnett, Michael Ziegler, Karl Byleen, Christopher Stocker

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