Multiple Choice
In Melanie's Styling Salon, the time to complete a simple haircut is normally distributed with a mean of 25 minutes and a standard deviation of 4 minutes. For a simple haircut, the middle 90 percent of the customers will require:
A) between 18.4 and 31.6 minutes.
B) between 19.9 and 30.1 minutes.
C) between 20.0 and 30.0 minutes.
D) between 17.2 and 32.8 minutes.
Correct Answer:
Verified
Correct Answer:
Verified
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