Mathematics, 09.11.2021 14:00 jynaepooh
The monthly utility bills in a city at e normally distributed, with a mean $100 and a standard deviation of $13. find the probability that a randomly selected utility bill is (a) a less than $70, (b) between $85 and $120, and(c) more than $140.
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The monthly utility bills in a city at e normally distributed, with a mean $100 and a standard devia...
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