Suppose the taxi and takeoff time for commercial jets is a random variable X with a mean of 8.5 minutes and a standard deviation of 2.5 minutes. a) What is the probability that for 36 jets on a given runway the total taxi and takeoff time will be less than 320 minutes? [3 marks] b) What is the probability that for 36 jets on a given runway the total taxi and takeoff time will be more than 275 minutes? [3 marks] c) What is the probability that for 36 jets on a given runway the total taxi and takeoff time will be between 275 and 320 minutes?
Suppose the taxi and takeoff time for commercial jets is a random variable X with a mean of 8.5 minutes and a standard deviation of 2.5 minutes. a) What is the probability that for 36 jets on a given runway the total taxi and takeoff time will be less than 320 minutes? [3 marks] b) What is the probability that for 36 jets on a given runway the total taxi and takeoff time will be more than 275 minutes? [3 marks] c) What is the probability that for 36 jets on a given runway the total taxi and takeoff time will be between 275 and 320 minutes?
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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Suppose the taxi and takeoff time for commercial jets is a random variable X with a mean of 8.5 minutes and a standard deviation of 2.5 minutes.
a) What is the probability that for 36 jets on a given runway the total taxi and takeoff time will be less than 320 minutes? [3 marks]
b) What is the probability that for 36 jets on a given runway the total taxi and takeoff time will be more than 275 minutes? [3 marks]
c) What is the probability that for 36 jets on a given runway the total taxi and takeoff time will be between 275 and 320 minutes?
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