The physical plant at the main campus of a large state university receives daily requests to replace fluorescent lightbulbs. The distribution of the number of daily requests is bell shaped and has a mean of 35 and a standard deviation of 10. Using the empirical rule, what is the approximate percentage of light bulb replacement requests numbering between 25 and 35?

Q: The physical plant at the main campus of a large state university receives daily requests to replace…

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Q: The physical plant at the main campus of a large state university recieves daily requests to replace…

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A: Given that, Mean = 39 Standard deviation = 7

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Q: The physical plant at the main campus of a large state university recieves daily requests to replace…

A: Empirical rule  P(-3σ+μ<X+3σ+μ)=99.73%  P(-2σ+μ<X+2σ+μ)=95% P(-σ+μ<X+σ+μ)=68%

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Q: The physical plant at the main campus of a large state university recieves daily requests to replace…

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Q: The physical plant at the main campus of a large state university recieves daily requests to replace…

A: Solution: We are given that the distribution of the number of daily requests is bell-shaped and has…

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Q: The physical plant at the main campus of a large state university recieves daily requests to replace…

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Q: The physical plant at the main campus of a large state university recieves daily requests to replace…

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Q: The physical plant at the main campus of a large state university recieves daily requests to replace…

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Q: The physical plant at the main campus of a large state university recieves daily requests to replace…

A: Given that, Mean = 46 Standard deviation = 7