Nbspnbspthe scores on an undergraduate statistics exam are


  1. The scores on an undergraduate Statistics exam are normally distributed with a mean of 75 and a standard deviation of 8.
  2. What is the probability that a randomly selected student gets an "A" (score a 90 or above) on this Statistics exam?
  3. What score on the Statistics exam is the 75th percentile?
  4. What is the probability that a randomly selected student scores between 70 and 80 on this exam?

 

 

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Applied Statistics: Nbspnbspthe scores on an undergraduate statistics exam are
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