Two unbiased coins are tossed.What is the probability of getting at most one head? Choose the correct choice from the following options:
A) 2/3	B) 1	C) 3/4	D) 2	E) 1/2
s={hh,tt,ht,th}   e=event of getting at most one head.   e={tt,ht,th}.   p(e)=n(e)/n(s)=3/4   Answer is option 3/4
<result>C</result>
Two unbiased coins are tossed.What is the probability of getting at most one head?