Mathematics, 28.03.2020 20:54 isamar4348
A manufacturer knows that their items have a normally distributed lifespan, with a mean of 12 years, and standard deviation of 1.4 years. If 14 items are picked at random, 2% of the time their mean life will be less than how many years?
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A manufacturer knows that their items have a normally distributed lifespan, with a mean of 12 years,...
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