Question 998964
you need to calculate the z-value associated with IQ 110 and consult z-table values for the area (probability),
z-value = (110 - mean) / std. dev.
z-value = (110 - 100) / 15 = 0.666666667 approx 0.67
Probability(Pr) ( X < 110 ) = 0.7486