Quiz about Probability Review

Question 1

P(3)

Accepted Answer

$$\frac{1}{8}$$

Answer

$$\frac{3}{8}$$

Answer

$$\frac{1}{4}$$

Answer

$$\frac{1}{2}$$

Question 2

P(3, odd)

Accepted Answer

$$\frac{1}{16}$$

Answer

$$\frac{3}{8}$$

Answer

$$\frac{2}{32}$$

Answer

$$\frac{1}{2}$$

Question 3

P(number less than 5)

Accepted Answer

$$\frac{1}{2}$$

Answer

$$\frac{4}{8}$$

Answer

$$\frac{1}{16}$$

Answer

$$\frac{5}{8}$$

Question 4

P(2, then 5)

Accepted Answer

$$\frac{1}{64}$$

Answer

$$\frac{1}{4}$$

Answer

$$\frac{5}{8}$$

Answer

$$\frac{3}{8}$$

Question 5

Mary flips a fair coin three times. What is the probability that the coin will land on heads all 3 times?

Accepted Answer

$$\frac{1}{8}$$

Answer

$$\frac{1}{4}$$

Answer

$$\frac{1}{16}$$

Answer

$$\frac{1}{6}$$

Question 6

Des buys a pack of Starbursts that has 3 orange, 6 pink, 1 yellow, and 5 red Starbursts.  She puts the candy in the bowl.  If she reaches in and grabs two Starbursts without putting one back, what is the probability that she will pick a pink and then a yellow?

Accepted Answer

1/35

Answer

7/210

Answer

6/225

Answer

2/75

Question 7

A coin and a number cube with the numbers 1 through 6 are tossed. What is the probability of the coin showing tails and the number cube showing the number 3? (leave answer in fraction form in lowest terms)

Accepted Answer

1/12

Answer

1/4

Answer

1/8

Answer

1/2

Question 8

A bag contains 2 striped cubes, 3 dotted cubes, 4 white cubes and 3 red cubes. What is the probability of drawing a white cube, not replacing it, and then drawing a dotted cube?

Accepted Answer

dependent

Answer

independent

Question 9

A bag contains 5 quarters, 2 dimes, and 4 pennies. What is the probability of picking a quarter, not replacing it, and then picking a penny?

Accepted Answer

2/11

Answer

20/121

Answer

8/121

Answer

4/55

Question 10

What is the probability of randomly selecting a striped marble, replacing it, and then selecting a solid marble?

Accepted Answer

6/25

Answer

2/5

Answer

3/5

Answer

11/50

Question 11

Are you more likely to choose a circle from Jar A or Jar B?

Accepted Answer

Jar B

Answer

Jar A

Answer

I have no idea

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