SOLUTION: In a large population of adults, normal distribution with mean of 112, standard deviation of 21, 16% of adults have IQ scores higher than what value, using the 68-95-99.7 rule?
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Question 647261: In a large population of adults, normal distribution with mean of 112, standard deviation of 21, 16% of adults have IQ scores higher than what value, using the 68-95-99.7 rule? Answer by colliefan(242) (Show Source):
You can put this solution on YOUR website! The rule they are referring to states that 68% of the population is within 1 standard deviation of the mean. That means that 32% are outside of that range; half of them are higher and the other half are lower than 1 STD away from the mean. So 16% are above 1 STD above the mean or 16% are above 112+21 or 133.
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