Two students joined Ph D programme in ethical economics. At least one of these students is from Hyderabad. What is the probability that both of these students are from Hyderabad? (It is equally likely for a student to be from Hyderabad and to be not from Hyderabad).
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Probability and Bayes' theorem has come up 190 times in 7 exams since 2004.
This question is on Conditional probability and the multiplication rule, part of Probability and Bayes' theorem in Statistics.
Probabilities that change when you know something has happened.
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Question from the UoH 2011 paper. Solutions are TestStop's own. Not affiliated with or endorsed by any examination authority.