A public opinion survey explored the relationship between age and support for
increasing the minimum wage. The results are found in the following table.
Ages 21-
40
Ages 41-
60
Over 60
TOTAL
For
25
30
50
105
Against
20
30
20
70
No
Opinion
5
15
5
25
TOTAL
50
75
75
200
1. In the 41 to 60 age group, what percentage supports increasing the minimum
wage? Explain how you arrived at your percentage. What type of probability is
this? Joint, marginal, or conditional?