The average lifetime of smoke detectors that a company manufactures is 60 months, and the standard deviation is 8 months

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The average lifetime of smoke detectors that a company manufactures is 60 months, and the standard deviation is 8 months

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The Average Lifetime Of Smoke Detectors That A Company Manufactures Is 60 Months And The Standard Deviation Is 8 Months 1
The Average Lifetime Of Smoke Detectors That A Company Manufactures Is 60 Months And The Standard Deviation Is 8 Months 1 (12.49 KiB) Viewed 109 times
The average lifetime of smoke detectors that a company manufactures is 60 months, and the standard deviation is 8 months. Find the probability that a random sample of 34 smoke detectors will have a mean lifetime between 58 and 63 months. Round the final answer to at least four decimal places and intermediate z-value calculations to 2 decimal places.
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