Question: Apply the 68-95-99.7 rule to answer the question. The amount of Jen's monthly phone bill is normally distributed with a mean of $57 and a

Apply the 68-95-99.7 rule to answer the question. The amount of Jen's monthly phone bill is normally distributed with a mean of $57 and a standard deviation of $9. What percentage of her phone bills are between $48 and $66? JA. 68% O B. 95% O C. 99.7% O D. 34%
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