If probability that exactly one of events \( A, B, C \) occurs, is ...

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If probability that exactly one of events \( A, B, C \) occurs, is \( 0.6 \) and probability that none of \( A, B, C \) occur
\( \mathrm{P} \) is \( 0.2 \),then probability that atleast two of \( \mathrm{A}, \mathrm{B}, \mathrm{C} \) occur is
(A) \( 0.6 \)
(B) \( 0.4 \)
(C) \( 0.8 \)
(D) \( 0.2 \)
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