Question

7. If p, and p, are the probabilities of passing an examination respectively, then
the probability of only one failing in the examination is
a . p1+p2-2p1p2
b. p1+p2
c. p1+p2-p1p2
d. none
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Answer 1

Answer:

c option is correct

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Answer 2

Answer:

c. p1+p2-p1p2 is the appropriate answer