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The amounts of electricity bills for all households in a city have a skewed probability distribution with a mean of $140 and a standard

The amounts of electricity bills for all households in a city have a skewed probability distribution with a mean of $140 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 your answer to four decimal places. P (132 < x < 136) = i

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