Mathematics, 26.03.2021 08:10 charleechristan

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 more than the population mean by at least $4.
Round your answer to four decimal places.

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