Q6Comprehension2 Marks28 Apr 2024
Passage
Table Q.1 represents the data of status of a disease and blood concentration in a group of patients:
| Disease Status | High Blood Concentration () | Low Blood Concentration () | Total |
| :--- | :---: | :---: | :---: |
| Disease Present () | | | |
| Disease Absent () | | | |
| **Total** | **120** | **880** | **1000** |
Where:
- = Disease present, = Disease absent
- = High blood concentration (positive test), = Low blood concentration (negative test)
Based on the above data, answer the given subquestions.

What is the probability that a patient has the disease and the test is positive?