Question

What is the probability that a randomly selected senator is a Democrat or is up for reelection in November 2014? (Enter your probability as a fraction.)

Answer 1

Answer: 20/33

Step-by-step explanation:

According to the table of statistics given for the politicians

number of Dem. Senator = 20

number of Rep. Senator = 13

Total for Senators = 33

Let E be the event,

The required probability is:

P(E) = P(Dem)

= 20/33