Chapter 7 - Section 7.2 - Assess Your Understanding - Applying the Concepts - Page 379: 45b

Since the team is losing by 2 or more points, first we need to find the z value for $x = -2$: $z = \frac{x - μ}{σ} = \frac{-2-0}{10.9} = 0.18$ Hence, we have: $P(X \leq -2) = P(Z \lt -0.18) = 1 - P(z \lt 0.18) = 1 - 0.5714 = 0.4286$

Given above.