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प्रश्न
Two coins are tossed once. Find the probability of getting at least 1 tail.
उत्तर
If two coins are tossed once, then
S = {HH, HT, TH, TT}
⇒ N(S) = 4.
At least one tail
∴ Favourable outcome = 3
Required probability = `3/4`.
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