C. 3/5 / 3/5
ExplanationStep 1: By complement rule P(A') = 1 - P(A). Step 2: 1 - 2/5 = 3/5. Step 3: The probabilities of an event and its complement add to 1.
Step 1: Complement rule के अनुसार P(A') = 1 - P(A)। Step 2: 1 - 2/5 = 3/5। Step 3: Event और complement की probabilities का sum 1 होता है।
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