The amount of Jens monthly phone bill is normally distributed with a mean of $50 and...

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The amount of Jens monthly phone bill is normally distributed with a mean of $50 and a standard deviation of 59. what percen

The amount of Jens monthly phone bill is normally distributed with a mean of $50 and a standard deviation of $9. What percentage of her phone bills are between $23 and $77?

math Statistics-And-Probability

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The amount of Jen's monthly phone bill is normally distributed with a mean of $50 and a standard deviation of $12

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The amount of Jens monthly phone bill is normally distributed with a mean of $50 and...

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