A fair coin is tossed repeatedly. If tail appears on first four tosses then the probability of head appearing on fifth toss equals
$\frac{1}{2}$
$\frac{1}{{32}}$
$\frac{{31}}{{32}}$
$\frac{1}{5}$
Two cards are drawn from a pack of $52$ cards. What is the probability that one of them is a queen and the other is an ace
The probability that in a year of the $22^{nd}$ century chosen at random there will be $53$ Sundays is
In a single throw of two dice, the probability of getting more than $7$ is
Consider the experiment of rolling a die. Let $A$ be the event 'getting a prime number ', $B$ be the event 'getting an odd number '. Write the sets representing the events $A$ or $B$.
A die is thrown repeatedly until a six comes up. What is the sample space for this experiment ?