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Compute the probability that a randomly selected student

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Reference no: EM132474209

A researcher proposes to model daily coffee consumption among the college students by a normal distribution with mean 20 oz and standard deviation 4 oz.

  • One student was found to be consuming 32 oz of coffee a day. To investigate if this is excessive consumption, compute the probability that a randomly selected student will consume more than 32 oz of coffee.
  • What is the probability that a randomly selected student will have coffee consumption in the range [14, 26] oz.?
  • What is the probability that a randomly selected student will have coffee consumption in the range [mean-SD, mean+SD]?
  • Find the amount of coffee consumption that only 5% of the students will exceed?

Reference no: EM132474209

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