Multiple Choice
Use the 68-95-99.7 rule to solve the problem.
-The amount of Jen's monthly phone bill is normally distributed with a mean of $70 and a standard deviation of $9. What percentage of her phone bills are between $43 and $97?
A) 68%
B) 95%
C) 99.9%
D) 99.7%
Correct Answer:
Verified
Correct Answer:
Verified
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