Question

A particular IQ test is standardized to a Normal model, with a mean of 90 and a standard deviation of 9. Using the Empirical Rule determine about what percent of people should have IQ scores more than 108? The percent of people with IQ scores more than 108 is: Number % (Omit the percent sign)

Answer 1

Solution: - Giveno - ul=90 and 6=9 34% 34% (13.5% 113.50 0.15%|2.35% 2.35% 0.15 11-30 4-26 1-5 u 90 uto ut2o et36 99 108 117 63 72 81 -95% -99.7% more than 108 2.35 0% + 0.159% = 2.5% > Answer :the percent of people with TO scores more than 108 is :2.5