Question 1120404
score <20 use z=(x-mean)/sd, z< (20-24.1)/4.3 or -4.1/4.3
z <-.95, probability is 0.1711

more than 29 (29-24.1)/4.3
z> 4.9/4.3 or 1.14, probability is 0.1271

Between 20 and 29 is everything else or 0.7018.