The probability of getting $4$ heads in $8$ throws of a coin, is
$\frac{1}{2}$
$\frac{1}{{64}}$
$\frac{{^8{C_4}}}{8}$
$\frac{{^8{C_4}}}{{{2^8}}}$
(d) Required probability $ = \frac{{{}^8{C_4}}}{{{2^8}}}.$
From a well shuffled pack of $52$ playing cards, cards are drawn one by one with replacement. Probability that $5^{th}$ card will be "king of hearts" is
$5$ boys and $5$ girls are sitting in a row randomly. The probability that boys and girls sit alternatively is
A bag contains $4$ white, $5$ red and $6$ green balls. Three balls are picked up randomly. The probability that a white, a red and a green ball is drawn is
Two different families $A$ and $B$ are blessed with equal number of children. There are $3$ tickets to be distributed amongst the children of these families so that no child gets more than one ticket . If the probability that all the tickets go to the children of the family $B$ is $\frac {1}{12}$ , then the number of children in each family is?
Out of $100$ students, two sections of $40$ and $60$ are formed. If you and your friend are among the $100$ students, what is the probability that You both enter the different sections?
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