UTMA Probability

Question 1

A bag contains 4 red and 6 blue marbles. What is the probability of drawing a red marble?

Accepted Answer

2/5

Answer

3/5

Answer

4/6

Answer

1/4

Question 2

Two fair coins are flipped. What is the probability of getting exactly one head?

Accepted Answer

1/2

Answer

1/4

Answer

3/4

Answer

1

Question 3

If P(A) = 0.4 and P(B) = 0.3 and A and B are mutually exclusive, what is P(A or B)?

Accepted Answer

0.58

Answer

0.12

Answer

0.70

Answer

0.44

Question 4

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

What is the complement of event A if P(A) = 0.65?

Accepted Answer

0.35

Answer

0.65

Answer

1.65

Answer

0.45

Question 6

How many ways can 4 students be arranged in a line?

Accepted Answer

24

Answer

8

Answer

16

Answer

12