Five fibers of lengths 1, 2, 3, 4 and 5 inches are tested to see which breaks first. The probability that any fiber breaks first is proportional to its length. The probability that the length of the fiber that breaks first is not more than 3 inches is:
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Five fibers of lengths 1, 2, 3, 4 and 5 inches are tested to see which breaks first. The probability that any fiber breaks first is proportional to its length. The probability that the length of the fiber that breaks first is not more than 3 inches is: (A) 3/5 (B) 2/5 (C) 1/3 (D) 2/3
Probability and Bayes' theorem has come up 190 times in 7 exams since 2004.
This question is on Probability axioms, events and sample spaces, part of Probability and Bayes' theorem in Statistics.
The rules every probability must follow and the vocabulary of events.
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Question from the DSE 2007 paper. Solutions are TestStop's own. Not affiliated with or endorsed by any examination authority.