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QUESTION 19 Solve the problem. Round results to the nearest hundredth. Scores on a test have a mean of 69 and a standard deviation

QUESTION 19 Solve the problem. Round results to the nearest hundredth. Scores on a test have a mean of 69 and a standard deviation of 12. Michelle has a score of 81. Convert Michelle's score to a z-score. O 12 01 O-1 O-12 QUESTION 20 The following bar graph presents the average amount a certain family spent, in dollars, on various

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