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Probability Tree Diagrams & Relative Frequency

Total questions: 12

Worksheet time: 36mins

Name
Class
Date
1.
What is the total number of students speaking different languages?
a)
20
b)
25
c)
50
d)
100
2.
What is the relative frequency of students speaking Arabic?
a)
32%
b)
24%
c)
10%
d)
2%
3.
What is the relative frequency of students speaking Spanish?
a)
16%
b)
12%
c)
24%
d)
48%
4.

A coin is thrown 30 times. It lands on tails 20 times. What is the relative frequency of the coin landing on tails?

a)

2050\frac{20}{50}

b)

2030\frac{20}{30}

c)

3050\frac{30}{50}

d)

1030\frac{10}{30}

5.

A dice is rolled 50 times. It lands on six 37 times. What is the experimental probability of the dice landing on six?

a)

3750\frac{37}{50}

b)

1350\frac{13}{50}

c)

3787\frac{37}{87}

d)

1337\frac{13}{37}

6.

What is the relative frequency of throwing a square number?

a)

53100\frac{53}{100}

b)

31100\frac{31}{100}

c)

22100\frac{22}{100}

d)

42100\frac{42}{100}

7.
The tree diagram shows the outcomes of rolling a die and flipping a coin.  
How many total outcomes are there?  
a)
6
b)
12
c)
24
d)
36
8.
The tree diagram shows the outcomes of rolling a die and flipping a coin.  
What is the probability of rolling an even number and flipping a head?
a)
3/12
b)
1/2
c)
4/12
d)
0/12
9.

You have a 3 tops, 2 pants and 2 shoes. How many total outfit options are represented?

a)

12 outfits

b)

22 outfits

c)

3 outfits

d)

7 outfits

10.

There are 10 counters in a bag, 3 red and 7 blue.


I take one counter, then another without replacement.

Find the probability of the value marked y

a)

7/10

b)

3/10

c)

6/9

d)

2/9

11.

There are 10 counters in a bag, 3 red and 7 blue.


I take one counter, then another without replacement.

Find the probability of picking two red counters.

a)

6/90

b)

5/19

c)

47/90

d)

2/9

12.

There are 8 counters in a bag, 1 is red.


I take one counter, replace it, then take another.

What is the probability of taking two red counters?

a)

1/8

b)

1/64

c)

2/8

d)

2/64