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Math·Problem-Solving and Data Analysis·Probability and conditional probability
medium| Age group | Proportion |
|---|---|
| Less than 18 years old | 27% |
| 18–40 years old | 21% |
| 41–65 years old | 29% |
| Greater than 65 years old | 23% |
The table shows the distribution of people in a certain city by age group. If a person in this city is selected at random, which of the following is closest to the probability of selecting a person who is greater than 65 years old, given that the person is at least 18 years old?
A
0.23
B
0.32
C
0.50
D
0.85