Multiple Choice
Use the empirical rule to solve the problem.
-The amount of Jen's monthly phone bill is normally distributed with a mean of $78 and a standard deviation of $9. What percentage of her phone bills are between $51 and $105?
A) 68%
B) 95%
C) 99.7%
D) 99.99%
Correct Answer:
Verified
Correct Answer:
Verified
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