Chapter 5 - Normal Probability Distributions - Section 5.5 Normal Approximations to Binomial Distributions - Exercises - Page 281: 8

Answer: b) P( x $\lt$ 108.5)

In order to convert the binomial probability P( x $\lt$ 109) to a normal distribution probability, apply the continuity correction rule P(x $\lt$ c - 0.5). Hence we end up with the probability P(x $\lt$ 108.5).