The probability of drawing a white ball from a bag containing $3$ black balls and $4$ white balls, is
$\frac{4}{7}$
$\frac{3}{7}$
$\frac{1}{7}$
None of these
(a) Required probability $ = \frac{4}{7}$.
Two dice are thrown. The events $A,\, B$ and $C$ are as follows:
$A:$ getting an even number on the first die.
$B:$ getting an odd number on the first die.
$C:$ getting the sum of the numbers on the dice $\leq 5$
State true or false $:$ (give reason for your answer)
Statement : $A^{\prime}$, $B^{\prime}, C$ are mutually exclusive and exhaustive.
A coin is tossed and a dice is rolled. The probability that the coin shows the head and the dice shows $6$ is
One card is drawn from a well shuffled deck of $52$ cards. If each outcome is equally likely, calculate the probability that the card will be not a diamond.
A box contains $10$ good articles and $6$ with defects. One article is chosen at random. What is the probability that it is either good or has a defect
Describe the sample space for the indicated experiment: A coin is tossed four times.
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