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#Question id: 14728


A student appears for tests I, II and III. The student is successful if he passes either in tests I and II or tests I and III. The probabilities of the student passing in tests I, II and III are p, q and 1/2 respectively. If the probability that the student is successful is 1/2. Then

#Unit 13. Methods in Biology
  1. p = q = 1
  2. p = q = 1/2
  3. p = 1, q = 0 
  4. p = 1, q = 1/2

Answer:- Option(s): 3


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