A salesman who frequently drives from Muscat to Sohar finds that his driving time is a random variable having roughly a normal distribution with mean 4.3 hours and standard deviation 0.2 hour. Find the probabilities that such a trip will take a. more than 4.0 hours, b. less than 5.0 hours. c. Between 3.5 and 5.5 hours
A salesman who frequently drives from Muscat to Sohar finds that his driving time is a random variable having roughly a normal distribution with mean 4.3 hours and standard deviation 0.2 hour. Find the probabilities that such a trip will take a. more than 4.0 hours, b. less than 5.0 hours. c. Between 3.5 and 5.5 hours
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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A salesman who frequently drives from Muscat to Sohar finds that his driving time is a random variable having roughly a normal distribution with mean 4.3 hours and standard deviation 0.2 hour. Find the probabilities that such a trip will take
a. more than 4.0 hours,
b. less than 5.0 hours.
c. Between 3.5 and 5.5 hours
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