The following contingency table shows opinion about global w

The following contingency table shows opinion about global warming (nonissue vs. serious concern) among registered voters, broken down by political party affiliation (Democratic, Republican, and Independent). Use the table to answer a) through d) below. What is the probability that a registered voter selected at random believes that global warming is a serious issue? The probability is (Round to three decimal places as needed.)

Solution

Answer to the question)

Total republicans = 500

Number of republican who believe it is serious = 220

Probablity = 220 /500

Probability = 0.44