How can I find the solutions and answers to this problem? THE DISTRIBUTION OF INTELLIGENCE QUOTIENTs (IQs) OBTAINED FROM A PARTICULAR TEST IS APPROXIMATELY NORMAL WITH A MEAN OF 100 AND A STANDARD DEVIATION OF 15 . a) WHAT IS THE STANDARD-SCORE OF THE IQ OF 120? b) ESTIMATE WHAT PERCENT OF INDIVIDUALS IN THE POPULATION HAVE IQs OF 120 AND ABOVE.

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Q: IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. What…

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