Quiz about Math 2 - HW Check 10.2

Question 1

A bag contains 5 striped cubes, 3 dotted cubes, 4 white cubes and 3 red cubes. What is the probability of drawing a red cube, replacing it, and then drawing a white cube?

Accepted Answer

independent

Answer

dependent

Question 2

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 3

There are 4 white marbles, 6 red marbles, and 2 blue marbles. Once a marble is selected, it is not replaced. Find the probability of selecting 2 blue marbles.

Accepted Answer

1/66

Answer

1/2

Answer

1/36

Answer

1/6

Question 4

Given a standard deck of 52 playing cards, what is the probability of randomly drawing a 2 and then a 3 if the first card is not replaced?

Accepted Answer

4/663

Answer

1/13

Answer

1/676

Answer

1/169

Question 5

A marble bag contains 3 red marbles, 4 gray marbles, 6 white marbles, and 5 black marbles. What is the probability of randomly drawing a red marble and then a gray marble if the first marble is replaced?

Accepted Answer

1/27

Answer

1/9

Answer

1/6

Answer

2/9

Question 6

Ten cards numbered 1-10 are placed in a hat. What is the probability of randomly drawing a card with an even number then a card with a number greater than or equal to five if the first card is replaced?

Accepted Answer

3/10

Answer

1/4

Answer

2/3

Answer

3/5

Question 7

A number cube is rolled and a coin is tossed. What is the probability of rolling a number greater than 4 and tossing tails?

Accepted Answer

1/6

Answer

1/3

Answer

1/2

Answer

1/4

Question 8

Suppose a number cube is rolled twice. What is the probability that an odd number will show both times?

Accepted Answer

1/4

Answer

1/3

Answer

1/2

Answer

1/6

Question 9

You are playing a game of scrabble. The tiles shown are dropped in a bag. You need to choose two tiles. What is the probability of choosing an "E", keeping it, and then choosing a "H"?

Accepted Answer

1/70

Answer

4/15

Answer

1/75

Answer

1/225

Question 10

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

Accepted Answer

24%

Answer

40%

Answer

60%

Answer

22%

Question 11

Find P(striped marble with replacement, then another striped marble).

Accepted Answer

16%

Answer

10%

Answer

40%

Answer

50%

Question 12

Determine if the events are independent or dependent.

Accepted Answer

Independent

Answer

Dependent

Question 13

Determine if the events are independent or dependent.

Accepted Answer

Dependent

Answer

Independent

Question 14

Determine whether the scenario involves independent or dependent events. Then find the probability.

Accepted Answer

Independent; 0.249

Answer

Independent; 0.083

Answer

Dependent; 0.267

Answer

Independent; 0.218

Question 15

Determine whether the scenario involves independent or dependent events. Then find the probability.

Accepted Answer

Dependent; 0.059

Answer

Independent; 0.083

Answer

Independent; 0.028

Answer

Dependent; 0.165

Question 16

Determine whether the scenario involves independent or dependent events. Then find the probability.

Accepted Answer

Independent; 0.245

Answer

Independent; 0.04

Answer

Dependent; 0.308

Answer

Independent; 0.111

Question 17

Determine whether the scenario involves independent or dependent events. Then find the probability.

Accepted Answer

Dependent; 0.091

Answer

Independent; 0.25

Answer

Dependent; 0.273

Answer

Dependent; 0.182

Question 18

Determine whether the scenario involves independent or dependent events. Then find the probability.

Accepted Answer

Dependent; 0.267

Answer

Independent; 0.25

Answer

Dependent; 0.059

Answer

Independent; 0.028

Question 19

Determine whether the scenario involves independent or dependent events. Then find the probability.

Accepted Answer

Independent; 0.083

Answer

Independent; 0.25

Answer

Independent; 0.063

Answer

Dependent; 0.152

Question 20

What is the probability that both of your parents were born on a weekend (assume that each day is equally likely and that a weekend day is either Saturday or Sunday).

Accepted Answer

4/49

Answer

2/7

Answer

4/7

Answer

2/49

Question 21

A card is randomly draw from a shuffled deck of cards and not replaced. A second card is drawn from the remaining shuffled cards. What is the approximate probability that both cards are RED?

Accepted Answer

24.5%

Answer

49%

Answer

50%

Answer

25%

Math 2 - HW Check 10.2

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