MCQs Probability-3

1. If $P(A) =0.80$, $P(B)=0.65$, and $P(A\cup B) = 0.78$, then $P(B|A) =$?

2. Which of the following statements is(are) always true?

3. If two events are independent, then

4. What is the probability that a ball is drawn at random from a jar?

5. One of the basic requirements of probability is

6. If $A$ and $B$ are independent events with $P(A)=0.38$ and $P(B)=0.55$, then $P(A|B)=$?

7. The multiplication law is potentially helpful when we are interested in computing the probability of

8. Events $A$ and $B$ are mutually exclusive with $P(A)=0.3$ and $P(B) = 0.2$. The probability of the complement of Event $B$ equals

9. If $A$ and $B$ are mutually exclusive events with $P(A) = 0.3$ and $P(B) = 0.5$, then $P(A \cup B) =?$

10. In an experiment, events $A$ and $B$ are mutually exclusive, if $P(A)=0.6$, then the probability of $B$

11. If $X$ and $Y$ are mutually exclusive events with $P(X) = 0.295, P(Y) = 0.32$, then $P(X|Y)=$?