Free Printable Probability and Outcomes

1.

A bag contains ten black marbles, twenty white marbles, and five blue marbles. What is the probability of picking a blue marbles?

a)

1/7

b)

2/7

c)

4/7

d)

5/7

2.

The spinner is numbered 1, 2, 3, 4, 5, 6. What is the probability that the spinner will land on an even number?

a)

2/5

b)

1/4

c)

1/2

d)

2/3

3.

A pupil is selected at random from a class of 18 girls and 17 boys. What is the probability that the pupil chosen is a boy?

a)

1/7

b)

18/35

c)

1/2

d)

17/35

4.

A bag contains 7 yellow, 6 green, 3 blue, and 8 red marbles. If Jeos gets a ball from the bag, what is the probability that she will not draw a red marble?

a)

1/3

b)

2/3

c)

1/4

d)

2/4

5.

A bag contains 7 yellow, 6 green, 3 blue, and 8 red marbles. If Jeos gets a ball from the bag, what is the probability that she will not draw a yellow marble?

a)

17/24

b)

7/24

c)

1/3

d)

1/8

6.

A bag contains 7 yellow, 6 green, 3 blue, and 8 red marbles. If Jeos gets a ball from the bag, what is the probability that she will not draw a green marble?

a)

5/6

b)

1/4

c)

3/4

d)

7/24

7.

A spinner numbered 1, 2, 3, 3, 3, 3, 3, 6, 6. What is the probability that the spinner will stop on number 3?

a)

2/9

b)

5/9

c)

1/9

d)

1/3

8.

When the newscaster said that there is 50% chance of rain, what did she mean?

a)

impossible to happen

b)

unlikely to happen

c)

likely to happen

d)

as likely as unlikely to happen

9.

A spinner has 5 sectors namely; red, blue, orange, yellow, and black. If you spin once, what is the probability

that the spinner will land on color white?

a)

25%

b)

0%

c)

50%

d)

75%

10.

You ask a friend to think of a number from three to ten. What is the probability that his number will be 6?

a)

2/8

b)

3/8

c)

4/8

d)

1/8

Probability and Outcomes

Total questions: 10

Worksheet time: 5mins

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