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ollowing question is about chapter 7. 1. (2 points) The average score for a water safety instructor (WSI) exam is 75 with a standard deviation
ollowing question is about chapter 7. 1. (2 points) The average score for a water safety instructor (WSI) exam is 75 with a standard deviation of 12. A score for the WSI exam is randomly selected. Find the probability that the score is at most 70. (In your calculation, round Z value to two decimal places and round the probability to four decimal places.)
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Management Accounting A Decision Emphasis
Authors: Don T. DeCoster, Eldon L. Schafer, Mary T. Ziebell
4th Edition
0471637130, 978-0471637134
