Question 1133503: A CBS News poll conducted June 10 and 11, 2006, among a nationwide random sample of 651 adults, asked those adults about their party affiliation (Democrat, Republican or none) and their opinion of how the US economy was changing ("getting better," "getting worse" or "about the same"). The results are shown in the table below.
**The column titles are (left to right above each of the number columns) are as follows: better, same, worse
Republican 38 104 44
Democrat 12 87 137
none 21 90 118
Express each of your first five answers as a decimal and round to the nearest 0.001 (in other words, type 0.123, not 12.3% or 0.123456).
(a) What fraction of survey respondents identified themselves as Republicans?
(b) What fraction of survey respondents thought the economy was getting worse?
(c) What fraction of Republicans thought the economy was getting worse?
(d) Among survey respondents who thought the economy was getting worse, what fraction were Republicans?
(e) What fraction of survey respondents were Republicans who thought the economy was getting worse?
Answer by Boreal(15235)   (Show Source):
You can put this solution on YOUR website! Republican 38 104 44--total 186
Democrat 12 87 137--total 236
none 21 90 118---total 229
B W S
71 281 299 total 651
a. 186/651 were R
b. 281/651 thought economy was getting worse
c. 104/186 Rs though economy was getting worse
c. of those who thought economy was getting worse (281) 104 were Rs, so 104/281
d. Rs who thought economy was getting worse were 104/651
Set up all 9 cells, put in totals for the rows and columns, then move along the row or the column and then to the column or row for the answers.
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