Question 898192
P(x>39) = 1 - P(x ≤ 39) 
P(x ≤ 39) = P(z = (39-50)/7 = -11/7) = -1.5714) = .058
P(x>39) = 1 - P(x ≤ 39) = 1-.058 = .942 = 94.2%