Mathematics, 31.07.2019 23:10 ayoismeisalex

Acertain type of automobile battery is known to last an average of 1140 days with a standard deviation of 100 days. if 400 of these batteries are selected, find the following probabilities for the average length of life of the selected batteries. (round your answers to four decimal places.)

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Acertain type of automobile battery is known to last an average of 1140 days with a standard deviati...