Answer
Product A:
P(X > 17.5) = 0.0918
Product B:
P(X > 17.5) = 0.0099
Work Step by Step
We need to calculate the z values:
Product A: $z = \frac{17.5 - 15.5}{1.5} = 1.33$
P(X > 17.5) = P(z > 1.33) = 1 - P(z < 1.33) = 1 - 0.9082 = 0.0918
Product B: $z = \frac{17.5 - 14.7}{1.2} = 2.33$
P(X > 17.5) = P(z > 1.33) = 1 - P(z < 2.33) = 1 - 0.9901 = 0.0099