| Tag | Value |
|---|---|
| file | Probability_uva-random-variables-474-en_uva-random-variables-474-en |
| name | uva-random-variables-474-en |
| section | Probability/Elementary Probability/Random variables |
| type | schoice |
| solution | TRUE, FALSE, FALSE, FALSE |
| Type | Calculation |
| Language | English |
| Level | Statistical Literacy |
| IRT-Difficulty | -2.202 |
| p-value | 0.9613 |
Given is the following cross tabulation concerning the health status of 200 individuals, and their results on a certain diagnostic test.
————— —— ——– sick healthy Test positive 40 10 Test negative 20 130 ————— —— ——–
One person is randomly drawn from the 200 individuals. What is the probability that this person is sick and has a positive test result?