Demand for residential electricity at a certain time period in Hamilton County is normally distributed with a mean of μ = 5595 megawatts (MW)     and a standard deviation of σ = 405 MW   Due to scheduled maintenance and unexpected system failures in a generating station, the utility company can  supply a maximum of    x = 6200 MW   The probability that the utility will have to purchase electricity from other utilities or allow brownouts is ______. 0.0974

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