Assignment 8: MUST be received by me BEFORE August 5

There are 10 000 student athletes.
5 percent of them use illegal drugs.
There is a drug test with the following accuracy:
IF a person is taking drugs,

IF a person is NOT taking drugs
THEN there is a 93 percent chance the test will be positive
THEN there is a 95 percent chance the test will be negative

Send me an email  (to oochitel [at] sofia [dpt] whalen3 [dot] org
The subject line of your email must be the three characters HW8 followed by one space and yyour name.
PLEASE do not use a different subject line; it interferes with the emails going where they need to go to be graded!
Do not combine multiple assignments into the same email

 In the body of the email (NOT a WORD or Excel attachment), answer the following questions:

1. How many of the students will be true positive?  (An integer between 0 and 10 000)

2. How many of the students will be false positive?  (An integer between 0 and 10 000)

3. How many of the students in all will test positive?  (An integer between 0 and 10 000)

4. Suppose a person tests positive.  What is the probability that person uses drugs? (a probability between zero and  1)


Dp not combine this email with the answer to any of the other assignments.

Work individually.  Do not copy another's work or files.  Do not allow another to copy your work or files, Do not work with someone on a common rough draft that you both copy from.