x Addition Rule of Probability Suppose in a math class of 22 students, 14 are boys and 8 are girls. On the final exam, 4 boys and 6 girls made an A grade. If a student is chosen at random from the class, what is the probability of choosing a girl or an A student? A 10 11 B C 21 11 11 19 x x If a student is chosen at random from the class, what is the probability of choosing a boy or an A student? X A 3 11 3 D 11