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17-12-2020
Mathematics

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The amount of Jen’s monthly phone bill is normally distributed with a mean of $75 and a standard deviation of $8. What percentage of her phone bills are between $51 and $99?
A. 99.7%
B. 95%
C. 99.99%
D. 68%

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desiree87363 desiree87363

17-12-2020

Answer:a is the answer

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