MCQ on Probability with Answers PDF

Probability is a measure of the likelihood or chance that a particular event will occur. It is quantified as a number between 0 and 1, where 0 indicates that the event will not occur, and 1 indicates certainty that the event will occur. In mathematical terms, the probability of an event is calculated as the ratio of the number of favorable outcomes to the total number of possible outcomes. For example, in rolling a fair six-sided die, the probability of rolling a 4 is 1/6, as there is one favorable outcome (rolling a 4) out of six possible outcomes. This is an MCQ on Probability and Statistics with Answers and Explanations. You can Download the questions as PDF from the result page of the quiz.

Biostatistics Notes  |  Biostatistics PPTs  |  Biostatistics MCQs

1. 
In a standard deck of 52 cards, what is the probability of drawing an ace?

2. 
If two dice are rolled, what is the probability of getting a sum of 7?

3. 
What is the probability of drawing a red card from a standard deck of 52 cards?

4. 
In a normal distribution, approximately what percentage of data falls within one standard deviation of the mean?

5. 
What is the probability of flipping a coin and getting heads twice in a row?

6. 
If you randomly select a number from 1 to 100, what is the probability that the number is a multiple of 5?

7. 
What is the probability of drawing a king or a queen from a standard deck of 52 cards?

8. 
In a binomial distribution, if the probability of success is 0.3 and you perform 5 trials, what is the probability of exactly 2 successes?

9. 
What is the probability of rolling a number greater than 4 on a fair six-sided die?

10. 
If a box contains 3 red balls, 2 green balls, and 5 blue balls, what is the probability of drawing a blue ball?

11. 
In a deck of 52 cards, what is the probability of drawing a card that is either a spade or a heart?

12. 
What is the probability of rolling a sum of 9 with two six-sided dice?

13. 
If you draw two cards from a deck of 52 cards without replacement, what is the probability that both cards are aces?

14. 
In a normal distribution, what proportion of the data lies between z-scores of -1 and 1?

15. 
What is the probability of rolling a die and getting a number less than or equal to 4?

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