B. 2/5 / 2/5
ExplanationStep 1: By complement rule P(A') = 1 - P(A). Step 2: 1 - 3/5 = 2/5. Step 3: The probability of an event and its complement always adds to 1.
Step 1: complement rule के अनुसार P(A') = 1 - P(A)। Step 2: 1 - 3/5 = 2/5। Step 3: किसी event और उसके complement की probability का योग 1 होता है।
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