Question 1.3.7 refers to figure 1.55, that is my only question.

FIGURE 1.55 S A 0.04 0.07 0.05 0.01 0.08 0.02 0.04 0.05 0.07 0:08 0.06 C B 0.13 6.03 1.3.7 If P(A) = 0.5, P(An B) = 0.1, and P(A U B) = 0.8, 1.3.12 A bag contains 200 balls that are either r what is P(B)? either dull or shiny. There are 55 shiny re 8 evaluation of small business by an accounting firm balls, and 79 red balls. If a ball is chosen