Question: please help 17. [-/2.65 Points] DETAILS BBUNDERSTAT12 6.5.022.S. MY NOTES ASK YOUR TEACHER The taxi and takeoff time for commercial jets is a random variable
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17. [-/2.65 Points] DETAILS BBUNDERSTAT12 6.5.022.S. MY NOTES ASK YOUR TEACHER The taxi and takeoff time for commercial jets is a random variable x with a mean of 8.3 minutes and a standard deviation of 3.2 minutes. Assume that the distribution of taxi and takeoff times is approximately normal. You may assume that the jets are lined up on a runway so that one taxies and takes off immediately after the other, and that they take off one at a time on a given runway. LO USE SALT (a) What is the probability that for 36 jets on a given runway, total taxi and takeoff time will be less than 320 minutes? (Round your answer to four decimal places.) (b) What is the probability that for 36 jets on a given runway, total taxi and takeoff time will be more than 275 minutes? (Round your answer to four decimal places.) (c) What is the probability that for 36 jets on a given runway, total taxi and takeoff time will be between 275 and 320 minutes? (Round your answer to four decimal places.)
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