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Probability Practice Quiz

Total questions: 12

Worksheet time: 33mins

Name
Class
Date
1.

10 M&Ms are in a bag, 4 red, 2 blue, 1 green and 3 brown. What is the probability of pulling out a blue candy?

a)

1

b)

2/10

c)

1/5

d)

3/10

2.

You have 20 coins in your wallet, 9 quarters, 5 dimes, 2 nickels and 4 pennies. What is the probability of pulling out a penny?

a)

4/20

b)

1/5

c)

2/10

d)

16/20

3.
100 second graders were asked to do a book report about one of these four zoo animals.  The number of students who chose each animal is shown in the table.  If 250 second graders had to choose of of the four animals, predict how many would choose to write about a giraffe.
a)
60 students
b)
50 students
c)
40 students
d)
30 students
4.

The probability of a car having a defect when coming off the assembly line is 3/1000 . Last year 12 cars had defects. How many cars were manufactured in total last year?

a)

1000

b)

2000

c)

3000

d)

4000

5.

What is the theoretical probability of the spinner landing on yellow?

a)

13\frac{1}{3}

b)

14\frac{1}{4}

c)

12\frac{1}{2}

d)

23\frac{2}{3}

6.

Based on the chart, what is the experimental probability of pulling a green marble?

a)

12.5 %

b)

8%

c)

80%

d)

32%

7.

The table shows the results of 50 rolls of a number cube. According to the data in the table, what was the experimental probability of rolling a 1? (Simplify if needed)

a)
b)
c)
d)
8.
How many total outfit options are represented?
a)
12
b)
22
c)
3
9.
Which shows the sample space for flipping two coins?
a)
H, T
b)
HH, HT, TH, TT
c)
HH, TT
d)
Dime, Nickel
10.
What is the probability of rolling 15 with a pair of dice?
a)
impossible
b)
unlikely
c)
equally likely
d)
likely
11.
The sample space tree diagram for a team of three students is shown.  What is the probability that the team would consist of at least 2 girls?
a)
½
b)
⅜
c)
¾
d)
⅙
12.
A bag contains 1 yellow ball and 9 red balls. A ball is chosen at random from the bag. What is the BEST answer for the probability of drawing the yellow ball?
a)
impossible
b)
unlikely
c)
very likely
d)
certain