Description
Assume that adults have IQ scores that are normally distributed with a mean of 105 and a standard deviation 20. Find Upper P9, which is the IQ score separating the bottom 9% from the top 91%. The IQ score that separates the bottom 9% from the top 91% is P9=
(Round to the nearest hundredth as needed.)
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Explanation & Answer
z = (x - 105)/20P(z < (x - 10...
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MATH 160 CC Population Proportion of Online Medical Information Questions
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