a. In CSE230, there were 2 assignments this semester. The probability that you would NOT get above average marks in the first and the second assignments are 0.3 and 0.4 respectively. But if someone does NOT get the above average marks in the first assignment, the probability of NOT getting above average marks in the second assignment becomes 0.6. What is the probability of NOT getting above average marks in both the assignments? b. In Covid-19 pandemic, one out of every 500 people of Dhaka city were affected during this month. If a person is affected with the virus, the test reports are 75% of the time positive, and 4% time if the person is not affected (This 4% is called false positive). Find the probability that the person has virus given that they have been tested positive.
a. In CSE230, there were 2 assignments this semester. The probability that you would NOT get above average marks in the first and the second assignments are 0.3 and 0.4 respectively. But if someone does NOT get the above average marks in the first assignment, the probability of NOT getting above average marks in the second assignment becomes 0.6. What is the probability of NOT getting above average marks in both the assignments? b. In Covid-19 pandemic, one out of every 500 people of Dhaka city were affected during this month. If a person is affected with the virus, the test reports are 75% of the time positive, and 4% time if the person is not affected (This 4% is called false positive). Find the probability that the person has virus given that they have been tested positive.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:a. In CSE230, there were 2 assignments this semester. The probability that you would NOT get above average marks in the first and the second
assignments are 0.3 and 0.4 respectively. But if someone does NOT get the above average marks in the first assignment, the probability of NOT getting
above average marks in the second assignment becomes 0.6. What is the probability of NOT getting above average marks in both the assignments?
b. In Covid-19 pandemic, one out of every 500 people of Dhaka city were affected during this month. If a person is affected with the virus, the test
reports are 75% of the time positive, and 4% time if the person is not affected (This 4% is called false positive). Find the probability that the person has
virus given that they have been tested positive.
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