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?

Answer 1

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)$=\frac{3}{4}$