what is the probability of getting atmost one head when Two unbiased coin are tossed ?  Choose the correct option: A) 3/4 B) 3/2 C) 4/3 D) 1/2 E) 2/6
Here S={HH,HT,TH,TT}   Let Ee=event of getting one head   E={TT,HT,TH}   P(E)=n(E)/n(S)=3/4   Option 3/4
<result>A</result>
what is the probability of getting atmost one head when Two unbiased coin are tossed ?