Mathematics, 12.10.2019 12:10 nicolescaggs

Construct a 99% confidence interval for life expectancy of a new ge light bulb. 64 bulbs are randomly selected and a mean of 750 hours and a standard deviation of 20 hours is found. assume the distribution of life expectancy is normally distributed.

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Construct a 99% confidence interval for life expectancy of a new ge light bulb. 64 bulbs are randoml...