Solution Found!
Party AffiliationThe following data represent political
Chapter 5, Problem 36E(choose chapter or problem)
The following data represent political party by age from a random sample of registered Iowa Voters.
|
17-29 |
30-44 |
45-64 |
65+ |
Total |
Republican |
224 |
340 |
1075 |
561 |
2200 |
Democrat |
184 |
384 |
773 |
459 |
1800 |
Total |
408 |
724 |
1848 |
1020 |
4000 |
(a) Are the events “Republican” and “30–44” independent? Justify your answer
(b) Are the events “Democrat” and “65+” independent? Justify your answer
(c) Are the events “17–29” and “45–64” mutually exclusive? Justify your answer
(d) Are the events “Republican” and “45–64” mutually exclusive? Justify your answer.
Questions & Answers
QUESTION:
The following data represent political party by age from a random sample of registered Iowa Voters.
|
17-29 |
30-44 |
45-64 |
65+ |
Total |
Republican |
224 |
340 |
1075 |
561 |
2200 |
Democrat |
184 |
384 |
773 |
459 |
1800 |
Total |
408 |
724 |
1848 |
1020 |
4000 |
(a) Are the events “Republican” and “30–44” independent? Justify your answer
(b) Are the events “Democrat” and “65+” independent? Justify your answer
(c) Are the events “17–29” and “45–64” mutually exclusive? Justify your answer
(d) Are the events “Republican” and “45–64” mutually exclusive? Justify your answer.
ANSWER:Step 1 of 5
The data about the political party by age from a random sample is given.
|
17-29 |
30-44 |
45-64 |
65+ |
Total |
|
|
Republican |
224 |
340 |
1075 |
561 |
2200 |
|
Democrat |
184 |
384 |
773 |
459 |
1800 |
|
Total |
408 |
724 |
1848 |
1020 |
4000 |
We have to find the following.
(a) If the events “Republican” and “30-44” are independent.
(b) If the events “Democrats” and “+65“ are independent.
(c) If the events “17-29” and “45-64” are mutually exclusive.
(d) If the events “Republican” and “45-64” are mutually exclusive or not.