The probabilities of occurrence of two events are respectively $0.21$ and $0.49$. The probability that both occurs simultaneously is $0.16$. Then the probability that none of the two occurs is
$0.3$
$0.46$
$0.14$
None of these
A die is tossed thrice. Find the probability of getting an odd number at least once.
Let $A$ and $B$ are two events and $P(A') = 0.3$, $P(B) = 0.4,\,P(A \cap B') = 0.5$, then $P(A \cup B')$ is
If $A$ and $B$ are two events, then the probability of the event that at most one of $A, B$ occurs, is
A card is drawn from a pack of $52$ cards. A gambler bets that it is a spade or an ace. What are the odds against his winning this bet
For any two events $A$ and $B$ in a sample space