To qualify for the RCMP, recruits are tested for stress tolerance. The scores are normally distributed with mean µ= 64 and standard deviation = 9 a) Find the probability that a randomly chosen recruit will have a stress tolerance score between 60 and 80. b) If only the top 45% of the recruits are to be chosen to continue the RCMP training, find the minimum score a recruit would need to continue the RCMP training. c) Find the probability that the mean stress tolerance score for a random sample of 36 of these recruits is less than 59.

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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To qualify for the RCMP, recruits are tested for stress tolerance. The scores are normally distributed with mean µ= 64 and standard deviation = 9 a) Find the probability that a randomly chosen recruit will have a stress tolerance score between 60 and 80. b) If only the top 45% of the recruits are to be chosen to continue the RCMP training, find the minimum score a recruit would need to continue the RCMP training. c) Find the probability that the mean stress tolerance score for a random sample of 36 of these recruits is less than 59.  

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