Find probability-mean amount of electric bills is in range

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Reference no: EM13141834

The amounts of electricity bills for all households in a city have a skewed probability distribution with a mean of $139 and a standard deviation of $30. Find the probability that the mean amount of electric bills for a random sample of 75 households selected from this city will be between $132 and $136. Round to 4 decimal places.

Reference no: EM13141834

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