Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN: 9781680331141
Author: HOUGHTON MIFFLIN HARCOURT
Publisher: Houghton Mifflin Harcourt
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A manufacturer knows that their items have a normally distributed lifespan, with a mean of 6.3 years, and standard deviation of 1.8 years.

If 8 items are picked at random, 8% of the time their mean life will be less than how many years?

Give your answer to one decimal place. 

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