Probability MCQ Test: Probability MCQs - Practice Questions
1. You have a bag with 6 red marbles, 4 blue marbles, and 2 yellow marbles. What is the probability of randomly selecting a blue marble?
2. If you draw a card from a standard deck of 52 cards and then put it back, what is the probability of drawing a red card and then drawing a black card?
3. In a group of 30 people, what is the probability that at least two people have the same birthday?
4. You have a bag with 8 white marbles and 4 black marbles. If you draw one marble, what is the probability that it is white?
5. If you randomly select a card from a standard deck of 52 cards and then another card without replacement, what is the probability that both cards are red?
6. In a standard deck of 52 playing cards, what is the probability of drawing a card that is not a face card (jack, queen, or king) when drawing one card randomly without replacement?
7. You have a bag with 5 red marbles and 3 green marbles. What is the probability of randomly selecting a red marble?
8. What is the probability of rolling a 6 on a fair six-sided die?
9. If you roll two six-sided dice, what is the probability of getting a sum of 5?
10. If you roll two fair six-sided dice, what is the probability of getting a sum of 7?
11. If you roll two fair six-sided dice, what is the probability that the sum of the two rolls is greater than or equal to 10?
12. If you flip a coin twice, what is the probability of getting two heads in a row?
13. If you roll two six-sided dice, what is the probability of getting a sum of 7?
14. If you roll a fair six-sided die, what is the probability of getting a prime number (2, 3, or 5)?
15. If you draw a card from a standard deck of 52 cards, what is the probability of drawing a club?
16. You have a deck of standard playing cards (52 cards). What is the probability of drawing a red card (heart or diamond)?
17. If you draw a card from a standard deck of 52 cards, what is the probability of drawing a spade?
18. In a deck of 52 playing cards, what is the probability of drawing a heart or a spade when drawing one card randomly?
19. What is the probability of drawing a red card from a standard deck of 52 cards?
20. If you spin a spinner divided into 8 equal sections, what is the probability of landing on an even number?
21. If you flip a fair coin three times, what is the probability of getting exactly two heads?
22. What is the probability of rolling a fair six-sided die and getting a prime number?
23. If you draw a card from a standard deck of 52 cards, what is the probability of drawing a heart?
24. A box contains 6 red balls and 4 blue balls. If you draw two balls without replacement, what is the probability that both balls are red?
25. If you roll a fair six-sided die, what is the probability of getting a number less than or equal to 3?
26. In a deck of 52 playing cards, what is the probability of drawing a card that is a face card (jack, queen, or king) when drawing one card randomly?
27. If you randomly select a letter from the word 'PROBABILITY,' what is the probability of selecting a vowel?
28. If you roll a fair six-sided die, what is the probability of getting an even number?
29. A jar contains 20 balls: 5 red, 8 green, and 7 blue. If you randomly select one ball, what is the probability that it is not red?
30. If you roll a fair six-sided die, what is the probability of rolling a number greater than 4?
31. If you flip a coin four times, what is the probability of getting exactly two tails?
32. In a standard deck of 52 cards, what is the probability of drawing a red card followed by a black card without replacement?
33. What is the probability of flipping a fair coin and getting heads?
34. In a deck of 52 playing cards, what is the probability of drawing a full house (three of a kind and a pair) when drawing 5 cards randomly without replacement?
35. If you roll a six-sided die, what is the probability of rolling a number greater than 4?
36. If you roll a six-sided die, what is the probability of rolling a 3?
37. You have a bag with 3 green marbles, 2 blue marbles, and 1 yellow marble. What is the probability of randomly selecting a blue marble?
38. You have a bag with 9 blue marbles and 6 red marbles. If you draw two marbles without replacement, what is the probability that both marbles are the same color?
39. A bag contains 12 balls: 4 red, 3 green, and 5 blue. If you randomly select one ball, what is the probability that it is blue or green?
40. You have a bag with 10 red marbles and 5 blue marbles. What is the probability of randomly selecting a red marble?
41. If you randomly select a card from a well-shuffled standard deck of 52 playing cards, what is the probability that it is a face card (jack, queen, or king)?
42. You have a bag with 10 white marbles and 5 black marbles. If you draw one marble, what is the probability that it is black?
43. A box contains 6 red balls and 4 green balls. What is the probability of randomly drawing a green ball followed by a red ball without replacement?
44. If you flip a fair coin five times, what is the probability of getting exactly four heads?
45. What is the probability of getting at least one head when flipping a fair coin three times?
46. In a group of 20 people, what is the probability that at least two people have the same birthday?
47. You have a bag with 7 white balls and 5 black balls. What is the probability of drawing a white ball followed by a black ball without replacement?
48. A box contains 5 green balls and 3 yellow balls. What is the probability of randomly drawing a green ball followed by a yellow ball without replacement?
49. You have a bag with 6 yellow marbles, 4 green marbles, and 2 red marbles. What is the probability of randomly selecting a green marble?
50. A fair six-sided die is rolled twice. What is the probability that the sum of the two rolls is 7?