PUNE MCA Exam 2014 Question Paper with answers for online practice

Question : 24 of 58

Marks: +1, -0

For three events A, B and C, P (exactly one of the events A or B occurs) = P (exactly one of the events
B or C occurs) = P (exactly one of the events C or A occurs ) = p and P (all the three events occuurs
simultaneously ) =

p^2

where 0 < p < 1/2. Then the probability of at least one of the three events A, B and
C occuring is

${3p+2p^2}/2$
${p+3p^2}/2$
${3p+p^2}/2$
${3p+2p^2}/4$

Validate

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