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Mathematics, 16.12.2021 21:50, 67bryant
The monthly utility bills in a city are normally distributed, with a mean of $100 and a standard deviation of $14. Find the probability that a randomly selected utility bill is (a) less than $70, (b) between $80 and $90 and (c) more than $120
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The monthly utility bills in a city are normally distributed, with a mean of $100 and a standard dev...
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