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4. [-/3 Points] DETAILS MENDSTAT15 7.3.023.S. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A certain type of automobile battery is known to last an average

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4. [-/3 Points] DETAILS MENDSTAT15 7.3.023.S. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A certain type of automobile battery is known to last an average of 1,140 days with a standard deviation of 50 days. If 100 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.) USE SALT (a) The average is between 1,128 and 1,140. (b) The average is greater than 1,152. (c) The average is less than 940

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