A study was conducted to determine if the results of a test indicated whether a disease was present or not in 200 trials. The results are listed in the table below. Presence of Disease Test Result Total + Result − Result Present 84 3 87 Not Present 7 106 113 Total 91 109 200 What is the probability that a randomly selected subject received positive results given that the disease was present? Note: - Select the correct answer below as a percent rounded to 3 significant digits. - Show your calculations on your scrap paper for full marks. a. 42% b. 96.6% c. None of the above. d. 96.5%
A study was conducted to determine if the results of a test indicated whether a disease was present or not in 200 trials. The results are listed in the table below. Presence of Disease Test Result Total + Result − Result Present 84 3 87 Not Present 7 106 113 Total 91 109 200 What is the probability that a randomly selected subject received positive results given that the disease was present? Note: - Select the correct answer below as a percent rounded to 3 significant digits. - Show your calculations on your scrap paper for full marks. a. 42% b. 96.6% c. None of the above. d. 96.5%
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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A study was conducted to determine if the results of a test indicated whether a disease was present or not in 200 trials. The results are listed in the table below.
Presence of Disease |
Test Result |
Total |
|
+ Result |
− Result |
||
Present |
84 |
3 |
87 |
Not Present |
7 |
106 |
113 |
Total |
91 |
109 |
200 |
What is the probability that a randomly selected subject received positive results given that the disease was present?
Note:
- Select the correct answer below as a percent rounded to 3 significant digits.
- Show your calculations on your scrap paper for full marks.
a. |
42% |
|
b. |
96.6% |
|
c. |
None of the above. |
|
d. |
96.5% |
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