Question

An IQ test has a mean of 95 and a standard deviation of 15. Which is more​ unusual, an IQ of 65 or an IQ of 140​?

Select the correct choice below​ and, if​ necessary, fill in the answer boxes to complete your choice.

A.

An IQ of 140 is more unusual because its corresponding​ z-score,

nothing ​, is further from 0 than the corresponding​ z-score of nothing for an IQ of

6565.

​(Type integers or decimals rounded to two decimal places as​ needed.)

B.

An IQ of 6565 is more unusual because its corresponding​ z-score,

nothing ​, is further from 0 than the corresponding​ z-score of nothing for an IQ of 140.

​(Type integers or decimals rounded to two decimal places as​ needed.)

C.

Both IQs are equally likely.

Answer 1