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प्रश्न
If two coins are tossed, find the probability of event getting head on both the coins
योग
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उत्तर
Sample space,
S = {HH, HT, TH, TT}
∴ n(S) = 4
Let A be the event of getting head on both the coins.
∴ A = {HH}
∴ n(A) = 1
∴ P(A) = `("n"("A"))/("n"("S"))`
∴ P(A) = `1/4`
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