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  3. the amount of time it takes a mechanic to rebuild

the amount of time it takes a mechanic to rebuild the transmission for a 2010...

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the amount of time it takes a mechanic to rebuild the transmission for a 2010 Chevrolet Colora shows that the mean is 8 4 hours and the standard deviation is 1 8 hours If 40 mechanics are randomi selected find the probability that their mean rebuild time is less than 8 9 hours Round to four decimal places A 0 4276 OB 0 9589 O C C 0 9756 OD 0 9605

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