Mathematics, 06.04.2020 04:52 ashioya0021
A manufacturer knows that their items have a normally distributed lifespan, with a mean of 5.2 years, and standard deviation of 1 years.
If 18 items are picked at random, 7% of the time their mean life will be less than how many years?
Give your answer to one decimal place.
Answers: 3
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A manufacturer knows that their items have a normally distributed lifespan, with a mean of 5.2 years...
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