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April 18, 2015

April 18, 2015

Posted by **Twg** on Saturday, August 8, 2009 at 1:53pm.

- MATH Prob. -
**Marth**, Saturday, August 8, 2009 at 2:08pmEach test has 3 possible answers, so the probability of getting 1 question right is 1/3.

The probability of getting 4 such questions right in a row can be found by (1/3)^4 because there are 4 questions.

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