QUESTION IMAGE
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
| republican | democrat | independent | total | |
|---|---|---|---|---|
| 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(no opinion)
enter the answer in the space provided. use numbers instead of words.
Step1: Locate no - opinion row total
In the two - way relative frequency table, the total value in the "No Opinion" row is the probability of having no opinion.
Step2: Identify the value
The value in the "Total" column of the "No Opinion" row is 0.14.
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0.14