A typical adult has an average iq score of 105 with a


Introductory Statistics

A typical adult has an average IQ score of 105 with a standard deviation of 20. If 20 randomly selected adults are given an IQ tesst, what is the probability that the sample mean scores will be between 85 and 125 points?

 

 

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Applied Statistics: A typical adult has an average iq score of 105 with a
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