Question 1

What is the basic definition of probability in mathematics?

Accepted Answer

The likelihood that an event will happen, expressed as a fraction or percentage

Answer

The number of possible outcomes

Answer

The total number of events that have occurred

Answer

The difference between two outcomes

Question 2

If you flip a fair coin, what is the probability of getting heads?

Accepted Answer

0.5

Answer

0

Answer

1

Answer

0.75

Question 3

What is the sum of probabilities of all possible outcomes in a probability experiment?

Accepted Answer

Exactly 1

Answer

Less than 1

Answer

Greater than 1

Answer

It depends on the event

Question 4

If a die is rolled, what is the probability of rolling a number greater than 4?

Accepted Answer

1/3

Answer

1/6

Answer

1/2

Answer

2/3

Question 5

In a deck of 52 cards, what is the probability of drawing an Ace?

Accepted Answer

1/13

Answer

1/52

Answer

1/26

Answer

4/52

Question 6

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

Accepted Answer

1/6

Answer

1/12

Answer

1/36

Answer

5/36

Question 7

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

Accepted Answer

1/2

Answer

1/4

Answer

1/3

Answer

2/3

Question 8

If the probability of an event is 0.25, what is the probability that the event will not occur?

Accepted Answer

0.75

Answer

0.25

Answer

0.5

Answer

1

Question 9

If a bag contains 3 red marbles, 5 blue marbles, and 2 green marbles, what is the probability of randomly drawing a blue marble?

Accepted Answer

1/2

Answer

1/10

Answer

1/5

Answer

1/3

Question 10

If you have a 30% chance of winning a game, what is the probability of losing the game?

Accepted Answer

70%

Answer

30%

Answer

50%

Answer

100%

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