MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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A manufacturer knows that their items have a normally distributed lifespan, with a mean of 11.2 years, and standard deviation of 1.7 years.
If 12 items are picked at random, 5% of the time their mean life will be less than how many years?
Give your answer to one decimal place.
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