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Find the probability distribution of X, the number of heads in a simultaneous toss of two coins.

Answers (1)

$S=\left \{HH,TH,HT,TT}{ \right \}$ $x(HH)=2$

$x\Rightarrow no.\: \: of\: \: heads$ $x(TH)=1$

$x(HT)=1$

$x(TT)=0$

x	0	1	2
$P(x)$	$\frac{1}{4}$	$\frac{2}{4}$	$\frac{1}{4}$

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Ravindra Pindel

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