SophiaPretty

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Category > Math Posted 14 Aug 2017 My Price 5.00

Human intelligence (IQ level) is normally distributed with mean of 100.

Human intelligence (IQ level) is normally distributed with mean of 100. A researcher measures the IQ of 9 people and finds that their average IQ is 102 with a standard deviation of 20. 

What percent of groups of 9 people should the researcher expect to have IQ levels more than 102 on average?

 

Please show the process, thank you!

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SophiaPretty
(5)
Status NEW Posted 14 Aug 2017 08:08 AM My Price 5.00

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