A student must choose one of the subjects—Physics, Chemistry or Mathematics—for study. She is equally likely to choose Physics or Chemistry and twice as likely to choose Mathematics. The probability that the student chooses Mathematics is
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A student must choose one of the subjects—Physics, Chemistry or Mathematics—for study. She is equally likely to choose Physics or Chemistry and twice as likely to choose Mathematics. The probability that the student chooses Mathematics is (A) 1/3 (B) 1/4 (C) 1/2 (D) None of the above
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.
TestStop has 15 past-paper questions on this subtopic.
Question from the JNU SSS 2012 paper. Solutions are TestStop's own. Not affiliated with or endorsed by any examination authority.