MATH QUIZ

1. What is the probability of rolling a total of 7 with two dice?

• 1/6
• 1/36
• Option 3
• 1/2
• Option 5

2. If you flip a fair coin three times, what is the probability of getting exactly two heads?

• 1/4
• 1/3
• 1/2
• 3/8

3. In a bag containing 3 red, 2 blue, and 5 green marbles, what is the probability of choosing a blue marble?

• 1/5
• 2/5
• 1/10
• 2/10

4. Two events A and B are independent. If P(A) = 0.5 and P(B) = 0.4, what is P(A and B)?

• 0.2
• 0.5
• 0.3
• 0.1

5. What is the probability of drawing an even number of a dice?

• 0.3
• 0.4
• 0.5
• 0.1

A fair six-sided die has an equal probability of landing on any one of its faces.

• True
• False

The probability of drawing a heart from a standard deck of cards is 1/4 ​ .

• True
• False

If two events are independent, the probability of both occurring is found by multiplying their individual probabilities

• True
• False

In a probability distribution, the sum of all possible outcomes must equal 1.

• True
• False

The complement of an event A, denoted as A', has a probability equal to P(A)+P(A')=1

• True
• False