Two coin's are tossed. Let H be the number of Tails that occur. Determine the values of the random variable H.

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This is a binomial distribution with $n=2,p=\frac{1}{2}.$

$P(H=0)=C^0_2(\frac{1}{2})^0(\frac{1}{2})^2=\frac{1}{4}.$

$P(H=1)=C^1_2(\frac{1}{2})^1(\frac{1}{2})^1=\frac{1}{2}.$

$P(H=2)=C^2_2(\frac{1}{2})^2(\frac{1}{2})^0=\frac{1}{4}.$

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Question ID: mtid-4-stid-46-sqid-1925-qpid-395