CUET Preparation Today
CUET
-- Mathematics - Section A
Probability
A coin is biased so that head is 4 times as likely to occur as tails. If X represents the number of heads when coins is tossed 4 times then P(X=2) is equal to :
$\frac{96}{625}$
$\frac{9}{256}$
$\frac{27}{625}$
$\frac{18}{625}$