Question
5.11 Scores on the Wechsler Adult Intelligence Scale (WAIS) approximate a normal curve with a mean of 100 and a standard deviation of 15. (a)
5.11 Scores on the Wechsler Adult Intelligence Scale (WAIS) approximate a normal curve with a mean of 100 and a standard deviation of 15.
(a) What proportion of IQ scores are above Kristen's 125?
(b) What proportion of IQ scores are below 82?
(c) What proportion of IQ scores are within 9 points of the mean?
(d) What proportion of IQ scores are more than 40 points from the mean?
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Mathematics for Economics and Business
Authors: Ian Jacques
9th edition
129219166X, 9781292191706 , 978-1292191669
