Homework SourseThe frequency distribution to the right shows the number of
The frequency distribution to the right shows the number of voters ( in millions) according to age. Consider the event below. Can it be considered unusual?
Choose the correct answer below.
a) No. The probability of the event is not close to 0.
b) Yes. the probability of the event is close to 0.
c) No. The probability of the event is close to 1
Ages of voters Frequency
10 to 20 6.7
21-24 9..5
25-34 24..7
35-44 23.6
45-64 16.6
65 and over 62.8
Solution
This can be treated as usual though it seems above 65 persons vote more.
| Ages x | midpt | Freq f | Prob |
| 10-20 | 15 | 6.7 | 0.04656 |
| 21-24 | 22 | 9.5 | 0.066018 |
| 25-34 | 29 | 24.7 | 0.171647 |
| 35-44 | 39 | 23.6 | 0.164003 |
| 45-64 | 54 | 16.6 | 0.115358 |
| >65 | 62.8 | 0.436414 | |
| Total | 143.9 | 1 |
