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o.o0 points out of 4.00 Flag question cement truck delivers mixed cement to a large construction site. Let x represent the cycle time in minutes for the truck to leave the cement plant, fill up, and return to the construction site with another load of cement. From past ces, it is known that the mean cycle time is r-46 minutes with minutes. The x distribution is approximate ly normal. What is the probability that the cycle time will exceed 61 minutes, given that it Select one: a. 0.081 b. 0.048 d. 0.s88 e. 0.048
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Answer #1

Here we have :

Mean = 46

Standard deviation = 9

= 1.67 1 - 0.9S2s 一-0.22 乙- Correct option (A 0-08

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