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A survey of 100 clients of pacific gas and electric resulted in the following frequency distribution of monthly charges.

Amount Number

0-49 13

50-99 22

100-149 34

150-199 26

200-249 5

a. Let A be the event that the monthly charges are $150 or more. Find P(A)

b. Let B be the event that the monthly charges are less than $150. Find P(B)

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Statistics and Probability, Statistics

Category:- Statistics and Probability
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