A plumber knows from experience that the time for a service call is normally distributed with a mean of 2.3 hours and a standard deviation of 0.4 hours. What is the probability that the next 6 service calls will have a mean time of 2.5 hours or less? Round your answer to 3 decimal places.
A plumber knows from experience that the time for a service call is normally distributed with a mean of 2.3 hours and a standard deviation of 0.4 hours. What is the probability that the next 6 service calls will have a mean time of 2.5 hours or less? Round your answer to 3 decimal places.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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