Question

Asked Oct 23, 2019

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The monthly utility bills in a city are normally distributed with a mean of $100 and a standard deviation of $12. Find the probability that a randomly selected utility bill will be between $90 and $120.

Distribution type: ________________ Probability: ________________

Step 1

Let x is random variable.

Step 2

Given:

Distribution type: Normal distribution

Mean=$100

Standard deviation=$12

Step 3

The probability that a randomly selected utility bill will...

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