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please explain step by step (Q3.2.c) Scores of a handwriting test have a bell-shaped distribution with a mean of 100 and a standard deviation of

please explain step by step

(Q3.2.c) Scores of a handwriting test have a bell-shaped distribution with a mean of 100 and a standard deviation of 13. Use the empirical rule to determine the following. Explain (in words) and show your calculations for each. (a) What percentage of people have a handwriting score between 74 and 126? (b) What percentage of people have a handwriting score less than 87 or greater than 113

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