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What is the probability the length of time it will take

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Reference no: EM132422146

Problem: The length of time it takes to get through the security checks at a very large urban airport is a random variable with mean of 20.6 minutes and standard deviation of 8.4 minutes. If a person is observed going through the security, what is the probability the length of time it will take to get through will be between 19 and 22 minutes? Please describe your solutions.

Reference no: EM132422146

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