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April 18, 2014

Homework Help: Math

Posted by B.B. on Tuesday, August 4, 2009 at 9:04am.

Jack is taking a four-item true-false test. He has no knowledge about the subject of the test and decided to flip a coin to answer the items. What is the probability that he receives a perfect score? What is the probability on a 10-item test?
Answer: 1/16 or 6.25% that he receives a perfect score .
1/1,024 0r .000976562% not likely of a perfect score on the 10-item test.
Is this correct?
Thanks.

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