Question
Poll Approve Disapprove Unsure Total Gallup 720 735 45 1500 Rasmussen 735 765 0 1500 Reuters 680 807 95 1582 Total 2135 2307 140 4582
Poll | Approve | Disapprove | Unsure | Total |
Gallup | 720 | 735 | 45 | 1500 |
Rasmussen | 735 | 765 | 0 | 1500 |
Reuters | 680 | 807 | 95 | 1582 |
Total | 2135 | 2307 | 140 | 4582 |
1. From the table above, 3 survey results are randomly selected with replacement. Find the probability all three were from the Rasmussen poll.
2. One survey result is randomly selected from the table above.Find the probability the person was from the Reuters poll given that they disapproved.
3. One survey result is randomly selected from the table above. If we chose someone who was unsure,what is the probability they were from the Gallup poll?
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Trigonometry
Authors: Mark Dugopolski
4th Edition
0321915496, 9780321915498
