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A statistical analysis of time spent on waiting for buses by Business students indicates that the length of time spent is normally distributed with =
A statistical analysis of time spent on waiting for buses by Business students indicates that the length of time spent is normally distributed with = 400 seconds and = 80 seconds. What is the probability that the waiting time is more than 300 seconds? What is the probability that the waiting time is between 300 seconds and 500 seconds? What is the probability that the waiting time is more than 500 seconds or less than 300 seconds? What is the probability that the waiting time is more than 800 seconds? At most how long will the waiting time be for 85% of the students
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