(Step-by-Step) There are two shipping routes between a plant and a distribution point. The average time by route A is 220 minutes with a standard deviation


Question: There are two shipping routes between a plant and a distribution point. The average time by route A is 220 minutes with a standard deviation of 20 minutes. The average time and standard deviation by route B are 200 and 40 respectively. Assume the distributions of trips can be approximated by normal curves.

  1. What proportion of route B trips takes longer then the average route A trip?
  2. 95% of route A trips take between what 2 values that are equidistant from the mean?

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Solution: The downloadable solution consists of 1 pages
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