In: Statistics and Probability
#1. The Wechsler IQ test has a mean of 100 with a standard deviation of 15.
a) What percentage of the population has a W-IQ score below 110?
b) What percentage of the population has a W-IQ score above 75?
c) What percentage of the population has a W-IQ score between 80 and 120?
d) What percentage of the population has a W-IQ score between 90 and 105?