# Solve the problem. Round to the nearest tenth unless indicated otherwise.11) In one region, the September energy consumption levels for single-family homes are found to be normallydistributed with a mean of 1050 kWh and a standard deviation of 218 kWh. Find P45, which is the consumptionlevel separating the bottom 45% from the top 55%

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Step 1

It is given that the energy consumption levels for single family homes are normally distributed with a mean 1050kWh and a standard deviation of 218 kWh.

Step 2

11.

We need to find critical value at 44th percentile, which is the consumption level separating the bottom 45% from the top 55%.

Using Excel formula, one can obtain the critical value at  44th percentile.

The Exc...

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