13 Questions
| Attempts: 368

Questions and Answers

- 1.X = {3, 4, 5, 6} and Y = {7, 8, 9, 10}. An element x is selected randomly from X and an element y is selected from Y. The value of x + y is then recorded.What is the probability that x + y is odd?
- A.
1 / 8

- B.
1 / 6

- C.
1 / 4

- D.
1 / 2

- 2.X = {3, 4, 5, 6} and Y = {7, 8, 9, 10}. An element x is selected randomly from X and an element y is selected from Y. The value of x + y is then recorded.What is the probability that x + y is even?
- A.
1 / 8

- B.
1 / 6

- C.
1 / 4

- D.
1 / 2

- 3.X = {3, 4, 5, 6} and Y = {7, 8, 9, 10}. An element x is selected randomly from X and an element y is selected from Y. The value of xy is then recorded.What is the probability that xy is a multiple of 3?
- A.
3 / 8

- B.
5 / 8

- C.
3 / 16

- D.
5 / 16

- 4.X = {3, 4, 5, 6} and Y = {7, 8, 9, 10}. An element x is selected randomly from X and an element y is selected from Y. The value of xy is then recorded.What is the probability that xy is less than or equal to 30?
- A.
3 / 8

- B.
5 / 8

- C.
3 / 16

- D.
5 / 16

- 5.In a game, the player throws a coin and a regular die simultaneously. If the coin shows a head, the player's score is the score on the die. If the coin shows a tail, then the player's score is twice the score on the die. What is the probability that the score is even?
- A.
1 / 4

- B.
1 / 2

- C.
3 / 4

- D.
1

- 6.In a game, the player throws a coin and a regular die simultaneously. If the coin shows a head, the player's score is the score on the die. If the coin shows a tail, then the player's score is twice the score on the die. What is the probability that the score is less than 6?
- A.
5 / 6

- B.
5 / 12

- C.
7 / 12

- D.
3 / 4

- 7.A coin is flipped 4 times. What is the value of n(S)?
- A.
4

- B.
8

- C.
12

- D.
16

- 8.A coin is flipped 4 times. What is the probability of getting more than 2 heads?
- A.
3 / 8

- B.
5 / 8

- C.
3 / 16

- D.
5 / 16

- 9.A coin is flipped 4 times. What is the probability of getting all 4 coins land on the same side?
- A.
1 / 16

- B.
1 / 8

- C.
1 / 4

- D.
1 / 2

- 10.In a game, a player will have to throw a tetrahedral die and a coin at the same time. If he get a tail on the coin, the game will stop and he will receive the point based on the side facing down on the tetrahedral die. If he get a head on the coin, he will then throw the die again and he will receive the point based on the product of the 2 throws on the die. What are the number of different possible score a player can get?
- A.
4

- B.
8

- C.
9

- D.
16

- 11.In a game, a player will have to throw a tetrahedral die and a coin at the same time. If he get a tail on the coin, the game will stop and he will receive the point based on the side facing down on the tetrahedral die. If he get a head on the coin, he will then throw the die again and he will receive the point based on the product of the 2 throws on the die. What is the value of n(S)?
- A.
8

- B.
9

- C.
16

- D.
20

- 12.In a game, a player will have to throw a tetrahedral die and a coin at the same time. If he get a tail on the coin, the game will stop and he will receive the point based on the side facing down on the tetrahedral die. If he get a head on the coin, he will then throw the die again and he will receive the point based on the product of the 2 throws on the die. What is the probability of getting a score greater than 7?
- A.
3 / 8

- B.
3 / 10

- C.
3 / 16

- D.
3 / 20

- 13.In a game, a player will have to throw a tetrahedral die and a coin at the same time. If he get a tail on the coin, the game will stop and he will receive the point based on the side facing down on the tetrahedral die. If he get a head on the coin, he will then throw the die again and he will receive the point based on the product of the 2 throws on the die. If the player can only wins if he/she get above a certain value. What is the value if the game only allows 2 / 5 of the players to win?
- A.
4

- B.
5

- C.
6

- D.
7

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