Question

the two - way relative frequency table shows the results of a survey on the mayors job approval. suppose a surveyor randomly selects a member of the sample population. use the table of relative frequencies to calculate each probability. express each probability as a decimal. party affiliation do you approve of the mayors job performance republican democrat independent total approve 0.14 0.25 0.03 0.42 disapprove 0.22 0.1 0.12 0.44 no opinion 0.03 0.07 0.04 0.14 total 0.39 0.42 0.19 1 sample problem p(approve) i can look at the value in the total column and approve row to determine p(approve). 0.42 p(democrat) > enter the answer in the space provided. use numbers instead of words.

Explanation:

Step1: Locate relevant value

Look at the total relative - frequency for Democrats in the table.

Step2: Identify probability

The total relative - frequency for Democrats is the probability of selecting a Democrat.

Answer:

0.42