Mathematics, 22.07.2019 18:00, swhorton6
Astudy of the amount of time it takes a mechanic to rebuild the transmission for a 1992 chevrolet cavalier states that the mean is 8.4 hours with standard deviation 1.8 hours. if 40 mechanics are randomly selected, find the probability that their mean rebuild time exceeds 8.6 hours
Answers: 1
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