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Question

when 2 coins are tossed simultaneously .What are all possible outcomes? In a single throw of 2 coins.what is the probability of getting at least one head?


Solution

2 coins tossed 
samle space $$={HH,HT,TH,TT}$$
single throw ofd 2 coins
$$S={HH,HT,TH,TT}$$
at least one head
$${HH,HT,TH}$$
P(at least one head)$$=\frac { 3 }{ 4 } $$

Maths

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