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Dmitry_Shevchenko [17]
3 years ago
7

A study of the amount of time it takes a mechanic to rebuild the transmission for a 2005 Chevrolet Cavalier shows that the mean

is 8.4 hours and the standard deviation is 1.8 hours. If 40 mechanics are randomly selected, find the probability that their mean rebuild time exceeds 8.7 hours.
Group of answer choices

A. 0.1946
B. 0.1285
C. 0.1469
D. 0.1346
Mathematics
1 answer:
Sliva [168]3 years ago
6 0

Answer:

b. 01285 esa es, espero este buena y que te ayude

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