Mathematics
Mathematics, 23.12.2021 08:10, ImBADatmath8743

The electric bills of household in a state are normal distribution the average of $85 with a standard deviation of $8. A sample of 25 households are selected random. Find the probability that the mean bill is less than $83.

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The electric bills of household in a state are normal distribution the average of $85 with a standar...

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