Geometry
Review for Probability Test
Name_________________________________________
13) A group of 60 students were asked if they played field hockey (F),
basketball (B) or soccer (S). The diagram below displays the results.
F
18
4
2
3
10
5
7
B
S
a) How many students play field hockey?
b) How many students play soccer and baseball?
c) How many students play field hockey or soccer?
d) How many students don’t play any of these sports?
e) Find the probability that a randomly chosen student plays all three sports.
f) Find the probability that a randomly chosen student plays only basketball.
g) Find the probability that a randomly chosen student plays soccer or field hockey.
14.
A survey was conducted of 100 students to see how many students visit the beach, go
camping or go to the waterslides during the summer months.
It was found that:







35 people went camping
57 people went to the beach
20 people went to the waterslides
15 people went camping and to the beach
8 people went to the beach and to the waterslides
5 people went camping and to the waterslides
3 people went to all three
Draw a Venn diagram to display the information and find the probability that a randomly
chosen person:
a) went to the beach or went to the slides.
b) went camping and went to the beach.
c) only went to one of the three locations.
d) did none of the three activities.
15.
The table below displays the number of students in different summer classes.
Complete the table.
Boys
Girls
Cooking
15
30
Dancing
40
Painting
33
38
Other
39
Total
142
A) What percentage of all the students joined the dance class?
B) What percentage of girls joined the painting class?
C) What percentage of boys joined the painting class?
Total
81