The amount of Jen's monthly phone bill is normally distributed with a mean of $48 and a standard deviation of $6. Fill in the blanks. 95% of her phone bills are between?

About  95% of her phone bills are between $36 and $60.

Step-by-step explanation:

If population is normally distributed , then by Empirical rule about 95% of the population lies within 2 standard deviations from mean.

Given: The amount of Jen's monthly phone bill is normally distributed with a mean of $48 and a standard deviation of $6.

Then, by Empirical rule

About 95% of her phone bills are between $(48 -2(6)) and $(48 +2(6))

i.e. About  95% of her phone bills are between $36 and $60.

Hence, About  95% of her phone bills are between $36 and $60.

555.99.

step-by-step explanation:

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