Mathematics, 01.02.2023 20:00, makaylahendrix7954
The average IQ score is 100. The standard deviation is 15. If we assume IQ scores arenormally distributed: DRAW THE BELL CURVE!
Answers: 3
![P(-2Looking at z-distribution tables, this probability is (to two decimal places):[tex]P(-2Then, 95% of the population has an IQ between 70 and 130.b)Unusually high scores are often calculated as those values above 3 standard deviations above the mean, so if in this case the mean is 100, and the standard deviation is 15, then the unusually high scores are:[tex]\begin{gathered} \mu+3\sigma=100+3\cdot15=100+45=145 \\ \Rightarrow IQ\ge145 \end{gathered}](/tpl/images/2908/0185/208fc.png)
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The average IQ score is 100. The standard deviation is 15. If we assume IQ scores arenormally distri...
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