Question: (Ch 4) Consider the table below of pregnancy kit test results:

Positive Test Result

(Pregnancy indicated)

Negative Test Result (Pregnancy not indicated)

Subject is pregnant 79 5

Subject is not pregnant 3 12

1. If one subject is randomly selected, find the probability that the subject is pregnant.
2. If one subject is randomly selected, find the probability that the subject is not pregnant.
3. If three different subjects are randomly selected from the 99 tested, find the probability that they all tested negative.
4. If one subject is randomly selected, find the probability that the subject is pregnant or
   had a positive test result.
5. If two different subjects are chosen, find the probability that either both are pregnant or both tested pregnant.

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