A certain type of automobile battery is known to last an average of 1,170 days with a standard deviation of 50 days. If 100 of these batteries are selected, find the following probabilities for the...

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Extracted text: A certain type of automobile battery is known to last an average of 1,170 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.) (a) The average is between 1,164 and 1,170. (b) The average is greater than 1,176. (c) The average is less than 930. You may need to use the appropriate appendix table or technology to answer this question. Need Help? Read It Watch It Talk to a Tutor