7.8 The times taken by a traditional barber to cut hair are Normally distributed with a mean...

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7.8 The times taken by a traditional barber to cut hair are Normally distributed with a mean of 15.6 minutes and a standard deviation of 3.4 minutes. What is the probability that he can cut a customer’s hair in:

(a) Less than 20 minutes?

(b) Less than 10 minutes?

(c) Between 8 and 14 minutes?

(d) Between 17 and 22 minutes?

(e) Between 12 and 18 minutes?

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Stats Means Business

ISBN: 9780750653640

1st Edition

Authors: John Buglear

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Question Posted: Oct 29, 2024 09:00 AM

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