| Tag | Value |
|---|---|
| file | Probability_uva-random-variables-475-en_uva-random-variables-475-en |
| name | uva-random-variables-475-en |
| section | Probability/Elementary Probability/Random variables |
| type | schoice |
| solution | FALSE, FALSE, TRUE, FALSE |
| Type | Calculation |
| Language | English |
| Level | Statistical Literacy |
| IRT-Difficulty | 2.936 |
| p-value | 0.41 |
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 ————— —— ——–
People call the probability that an actually sick person will have a positive test rash has the sensitivity of the test. What is the best estimate of the sensitivity?