Probability 1 Question 14

22. If 1+3p3,1p4 and 12p2 are the probabilities of three mutually exclusive events, then the set of all values of p is… .

(1986, 2M)

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Answer:

Correct Answer: 22. 13p12

Solution:

  1. Since, 1+3p3,1p4 and 12p2 are the probability of mutually exclusive events.

1+3p3+1p4+12p214+12p+33p+612p12133p12p13 and 01+3p31,01p41,012p2101+3p3,01p4,012p213p23,1p3,12p12

From Eqs. (i) and (ii), 1/3p1/2



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