Name: 
 

Lesson 5: Using Tree Diagrams to Calculate Probability



 1. 

There are two spinners.  Each spinner is split into 6 equal sections.  On the first spinner each section is labelled with the numbers from 1-6. On the second spinner the sections are labelled with one 1, two 2s and three 3s.
mc001-1.jpg
In 36 spins, what is the theoretical probability of spinning two 2s?
a.
1
b.
2
c.
3
d.
4
 

 2. 

In 36 spins, what is the theoretical probability of spinning three 3s?
a.
1
b.
2
c.
3
d.
4
 

 3. 

In 36 spins, how many times are you likely to spin a sum of 6?
a.
3
b.
4
c.
5
d.
6
 

 4. 

In 36 spins, how many times are you likely to spin a sum of 7 or less?
a.
20
b.
25
c.
28
d.
32
 

 5. 

In 36 spins, how many times are you likely to spin a difference of 0?
a.
3
b.
4
c.
5
d.
6
 

 6. 

Jaela has 6 different shirts, 2 pairs of jeans, 2 pairs of pants and 3 coats.  How many different outfits can she make wearing one shirt, one type of jean or pant, and one coat?
a.
36
b.
72
c.
96
d.
48
 

 7. 

How many outfits can Jaela make wearing one shirt, one pair of jeans and one coat?
a.
12
b.
24
c.
36
d.
48
 

 8. 

The cafeteria offers the following:

soups - chicken noodle, vegetable, mushroom
sandwiches - ham, tuna, turkey
pop - cola, lime, orange

How many combinations can Nate make if he selects one soup, one sandwich and one pop?
a.
3
b.
12
c.
24
d.
27
 

 9. 

How many combinations can Nate make if he picks one soup and one pop?
a.
3
b.
6
c.
9
d.
12
 

 10. 

How many combinations can Nate make if he selects one soup and one sandwich?
a.
3
b.
6
c.
9
d.
12
 



 
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