MCQs Probability 6

1. A fair coin is tossed 50 times, the expected number of heads are:

2. How would you calculate the probability that a random variable is less than 5?

3. How would you describe $P(A \cap B)$ in words for two sets $A$ and $B$?

4. In the context of probability, what is a sample space?

5. A conditional probability might be found in which of the following ways?

6. $P(A\cap B() = P(A) P(B|A)$, then $A$ and $B$ are

7. Events having equal chance of occurrence is called

8. What is a continuous random variable?

9. In the context of probability, what is an outcome?

10. If $A$ and $B$ are dependent events, $P(A)=0.40$ and $P(B|A)=0.35$ then $P(A \cap B)$ is

11. What is conditional probability?

12. What is a probability?

13. What word describes two events that cannot occur at the same time?

14. The subset of a sample space is called

15. How would you describe $P(A|B)$ in words for two sets $A$ and $B$?

16. What shows the exact probabilities for a particular value of a random variable?

17. What is a random variable?

18. $A$ and $B$ are two mutually exclusive events. The probability of $A$ happening is $\frac{1}{4}$. The probability of $BB$ happening is $\frac{1}{3}$. The probability of neither $A$ nor $B$ happening is?

19. What is the expected value?

20. The probability of an event happening is $\frac{1}{3}$. The probability of it not happening is?