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(See Solution) IQ scores are normally distributed with a mean u=100 and a standard deviation o=15. Based on this distribution, determine the percentage

Question: IQ scores are normally distributed with a mean u=100 and a standard deviation o=15. Based on this distribution, determine

  1. the percentage of IQ scores between 100 and 120
  2. the probability of selecting a person at random having an IQ between 100 and 120
  3. the percentage of IQ scores between 88 and 100
  4. the probability of selecting a person at random having an IQ between 88 and 100
  5. the percentage of IQ scores that are 110 and above
  6. the probability of selecting a person at random having an IQ of 110 or above
  7. the probability of selecting two people at random both having an IQ of 110 or above
  8. the percentile rank corresponding to an IQ score of 125

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