In 2003, Entergy Corporation had 2,631,752 electricity customers. Of these, 86.0% were in the residential category (R); 11.8% were commercial (C); 1.6% were industrial (I); and 0.6% were government and municipal (G)
a. Draw a Venn diagram representing events R, C, I, and G.
b. What is the value of P(R)?
c. What is the value of P(C or G)?
d. What is the value of P(R or C′)?