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Interpreting Two Way Frequency and Relative Frequency Tables
Contributed by: Miles
(Original author: Shanahan)
Forty students were surveyed. Some of the results are shown.
Please complete the two-way frequency table.
Find the probability that a student plays basketball.Write your answer as a fraction in simplest form.
Girls
Boys
Total
Volleyball
13
Basketball
22
8
Total
40
What is the probability that a person does not exercise, given the person is overweight? Write your answer as a percent.
No exercise
Exercise
Total
A survey was given to 70 adults. Some of the results 
are shown. Please complete the two way table.
Over-
weight
25
4
Healthy
%
3
Total
46
70
Of the ___ boys who answered the survey, ___ prefer chemistry.
The probability that a random student that is surveyed is a girl is ____.
The probability a student prefers biology, given the student is female, is ____.
The probability that a random student surveyed prefers chemistry is ____.
Janice asked 100 students if they like biology, physics, or chemistry the best. The results are shown in the table. Complete each question by dragging the correct value.
62
?
16
?
1950
?
23%
?
0.55
?
Given that a student did not do the revision, what is theprobability that the student passed the test?
What is the probability that a student surveyed didn't do the revision and failed the test?
This question has two parts.
A PE teacher surveyed her students as to how many hours of exercisethey get each week. The results of the survey are shown in the table.

Part A: 


What fraction of the grade 9 students exercise

for more than 5 hours each week?


Write your answer in simplest form.

This question has two parts.
A PE teacher surveyed her students as to how many hours of exercisethey get each week. The results of the survey are shown in the table.

Part B: 


What percent of the students who excercise

for less than 5 hours each week are in grade 8?

%
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