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According to the records of an electric company serving the Boston area


According to the records of an electric company serving the Boston area, the mean electricity consumption during winter for all households is 1650 kilowatt-hours per month. Assume that the monthly electricity consumption during winter by all households in this area have a normal distribution with a mean of 1630 kilowatt-hours and a standard deviation of 320 kilowatt-hours. The company sant a notice to Be Johnson informing him that about 75% of the households useless electricity per month than he does. What is Johnson's monthly electricity consumption?


Bill Johnson's monthly electricity consumption is approximately _______ kWh.

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