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Mathematics, 30.04.2021 22:10 preguntassimples

the average cell phone bill in warren county is $134 with a standard deviation of $18. If a sample of 20 residents were selected from the county, what is the prob. that their cell phone bill is greater than $148?

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the average cell phone bill in warren county is $134 with a standard deviation of $18. If a sample o...
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