A manufacturer knows that their items have a normally distributed lifespan, with a mean of 3.4 years, and standard deviation of 0.8 years. If 19 items are picked at random, 10% of the time their mean life will be less than how many years? (Give answer to one decimal place)
A manufacturer knows that their items have a normally distributed lifespan, with a mean of 3.4 years, and standard deviation of 0.8 years. If 19 items are picked at random, 10% of the time their mean life will be less than how many years? (Give answer to one decimal place)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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