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Use the empirical rule to solve the problem The amount of Jen s monthly phone bill is normally distributed with a mean of 75 and

Use the empirical rule to solve the problem The amount of Jen s monthly phone bill is normally distributed with a mean of 75 and a standard deviation of 9 What percentage of her phone bills are between 48 and 102 O 99 99 O 68 26 O 99 74 O 95 44

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