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# Question 1Question 2 src="/qa/attachment/10755541/" alt="10755541" />Question 3 Attachment 1 Attachment 2 Attachment 3 ATTACHMENT PREVIEW Download attachment attachment_10142019.png Your doctor wants you to test for a disease that affects 1.3% of the population. The test is known to have a false positive rate of 2% and a false negative rate of 5%. If you test positive on the test, what is the probability that you are truly affected by the disease? Express your answer as a percentage (between 0 and 100), with 1 decimal precision. ATTACHMENT PREVIEW Download attachment attachment_10142019.png Countless students have taken a math and a language classification test. The distribution for the math test follows a Normal distribution with a mean 150 and standard deviation 10. The distribution of the language test results follows a N(110,15) distribution. The results are obviously correlated and the correlation coefficient is 0.5. The final score is given by the sum of the math and the language test results. What is the mean of the final scores? ATTACHMENT PREVIEW Download attachment attachment_10142019.png

#### Top Answer

1) 3.2% 2) mean of final... View the full answer

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