Question 965773
Probability(Pr) ( X > 120 ) = 1 - Pr ( X < 120 )
compute z-score for 120.
z-score = (120 - 118) / 9 = 0.222222222 approx .22
consult z-tables for probability associated with z-score .22, which is
0.5871, therefore
Pr ( X > 120 ) = 1 - 0.5871 = 0.4129 approx 0.41