Question

Two coins are tossed what is the probability of coming a two heads if it is known that at least one head comes up

Answer 1

Answer:

$\frac{3}{4}$

Step-by-step explanation:

When two coins are tossed the possibilities are :

HH  ;  TT  ;  HT   ;  TH

If it is known that at least one heads comes up

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