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प्रश्न
Solve any two of the following.
If two coins are tossed simultaneously, find the probability of getting a head on both the coins.
उत्तर
S = {HH,HT,TH,TT}, n(S)=4
If event A is getting a head on both coins.
`A={HH},n(A)=1`
`(p(A))=(n(A))/(n(S))=1/4`
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