Wiley Edge Probability Quiz-4

Question 1

Time: 00:00:00
In a box, there are 5 red balls, 3 blue balls, and 2 green balls. Four balls are drawn randomly without replacement. What is the probability that exactly two balls are red and two balls are blue?

5/84

5/84

15/126

15/126

1/42

1/42

7/63

7/63

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Question 2

Time: 00:00:00
A bag contains 7 red balls, 5 white balls, and 4 blue balls. Two balls are drawn randomly without replacement. What is the probability that one ball is red and the other ball is not white?

17/24

17/24

33/140

33/140

19/70

19/70

5/21

5/21

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Question 3

Time: 00:00:00
A fair six-sided die is rolled six times. What is the probability of getting exactly two even numbers and four odd numbers?

45/64

45/64

15/64

15/64

27/64

27/64

9/64

9/64

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Question 4

Time: 00:00:00
A bag contains 5 red balls, 4 blue balls, and 3 green balls. Three balls are drawn randomly without replacement. What is the probability that exactly two balls are red or exactly two balls are blue?

19/120

19/120

7/18

7/18

11/28

11/28

13/32

13/32

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Question 5

Time: 00:00:00
In a box, there are 6 red balls, 5 white balls, and 4 blue balls. Three balls are drawn randomly without replacement. What is the probability that at least one ball is red and one ball is white?

2/3

2/3

5/6

5/6

2/10

2/10

6/9

6/9

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Question 6

Time: 00:00:00
A box contains 7 red balls, 5 white balls, and 4 blue balls. Four balls are drawn randomly without replacement. What is the probability that at most two balls are red?

49/91

49/91

5/6

5/6

29/45

29/45

5/9

5/9

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Question 7

Time: 00:00:00
A bag contains 4 red balls, 3 blue balls, and 2 green balls. Two balls are drawn randomly without replacement. What is the probability that both balls are red or both balls are blue?

5/27

5/27

9/36

9/36

11/27

11/27

15/27

15/27

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Question 8

Time: 00:00:00
A fair coin is flipped eight times. What is the probability of getting more tails than heads?

121/256

121/256

77/256

77/256

109/128

109/128

135/256

135/256

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Question 9

Time: 00:00:00
In a box, there are 6 red balls, 4 white balls, and 2 green balls. Four balls are drawn randomly without replacement. What is the probability that at least two balls are white?

69/495

69/495

23/66

23/66

133/495

133/495

1/3

1/3

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Question 10

Time: 00:00:00
A bag contains 8 red balls, 5 white balls, and 3 blue balls. Three balls are drawn randomly without replacement. What is the probability that exactly one ball is red, one ball is white, and one ball is blue?

4/77

4/77

8/165

8/165

3/14

3/14

7/91

7/91

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["0","40","60","80","100"]
["Need more practice!","Keep trying!","Not bad!","Good work!","Perfect!"]

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