Introduction to Probability

Q.

What are some real-life examples of probability?

Q. The measure of how likely it is for something to occur is called.

1. Uncertainty
2. Probability
3. Certainty

Q. A $6$-sided die is rolled. What is the probability of rolling a number less than $8$?

Q. The likelihood that a particular event will occur is called its

Q.

What numbers cannot be probabilities?

Q. In probability theory, the events are denoted by

1. Latin letters
2. Lowercase letters
3. Uppercase letters
4. Greek letters

Q. A glass jar contains $30$ red marbles. If a single marble is chosen at random from the jar, what is the probability that it is a blue marble?

1. $1$
2. $\frac{1}{30}$
   
3. $30$
4. $0$

Q. John took a chance and rolled a dice. Can he be absolutely sure for the outcome $6$?

1. Yes
2. No

Q. A teacher chooses a student at random from a class of $20$ boys. What is the probability that the student chosen is a boy?

1. $1$
2. $\frac{1}{20}$
   
3. $20$
4. $0$