Question: Apply the 68-90 5-99.7 roll to answer the question. The amount of Jen's monthly phone bill is normally distributed with a mean of $64 and

Apply the 68-90 5-99.7 roll to answer the question.

The amount of Jen's monthly phone bill is normally distributed with a mean of $64 and a standard deviation of $12. What percentage of her phone bill are between $52 and $76?

a) 34% b) 68% c) 95% d) 99.7%

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