sadieismichaeljackso

13.12.2021 • 

Mathematics

The monthly utility bills in a city are normally distributed, with a mean of $100 and a standard deviation of $15. Find the probability that a randomly selected utility bill is (a) less than $70, (b) between $87 and $100, and (c) more than $110.
(a) The probability that a randomly selected utility bill is less than $70 is
(Round to four decimal places as needed.)
(b) The probability that a randomly selected utility bill is between $87 and $100 is
(Round to four decimal places as needed.)
(c) The probability that a randomly selected utility bill is more than $110 is
(Round to four decimal places as needed.)

Ответ:

zackarygonzalez1028

02.11.2020

Mathematics

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C. 1753.05 because math

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