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A group of 1000 students wrote an entrance exam for the University of Statistics. The mean...

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Basic Math

A group of 1000 students wrote an entrance exam for theUniversity of Statistics. The mean score was 62 with a standarddeviation of 12. Assuming a Normal Distribution, answer thefollowing questions:

  1. What is the probability of a student scoring above 75?
  2. What is the probability of a student failing? (i.e. below 50)How many students failed?
  3. What is the minimum mark you would need to score to be in thetop 10%?
  4. What is the minimum mark you would need to score to be in thetop 1%?
  5. How many people scored below 30?
  6. What is the probability of scoring between 60 and 80?

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A group of 1000 students wrote an entrance exam for the University of Statistics The mean score was 62 with a standard deviation of 12 Assuming a Normal Distribution answer the following questions What    See Answer
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