SOLUTION: 2. The time to run 100m for a group of children follows a normal distribution with mean 13.3 seconds and standard deviation 4.5 seconds.
(i) What is the probability that a rando
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-> SOLUTION: 2. The time to run 100m for a group of children follows a normal distribution with mean 13.3 seconds and standard deviation 4.5 seconds.
(i) What is the probability that a rando
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Question 773769: 2. The time to run 100m for a group of children follows a normal distribution with mean 13.3 seconds and standard deviation 4.5 seconds.
(i) What is the probability that a randomly chosen child runs the race in a shorter time than 12 seconds?
(ii) What is the cut-off time for the slowest 10%? Answer by oscargut(2103) (Show Source):
You can put this solution on YOUR website! Answers:
i) 0.386
ii) 7.533
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