One card is drawn from each of two ordinary packs of $52$ cards. The probability that at least one of them is an ace of heart, is
$\frac{{103}}{{2704}}$
$\frac{1}{{2704}}$
$\frac{2}{{52}}$
$\frac{{2601}}{{2704}}$
Let $\quad S =\left\{ M =\left[ a _{ ij }\right], a _{ ij } \in\{0,1,2\}, 1 \leq i , j \leq 2\right\}$ be a sample space and $A=\{M \in S: M$ is invertible $\}$ be an event. Then $P ( A )$ is equal to
From a book containing $100$ pages, one page is selected randomly. The probability that the sum of the digits of the page number of the selected page is $11$, is
An experiment consists of recording boy-girl composition of families with $2$ children. What is the sample space if we are interested in the number of girls in the family?
In a throw of a die, what is the probability of getting a number less than $7$
The probability that in a year of the $22^{nd}$ century chosen at random there will be $53$ Sundays is