FREQUENCY
RELATIVE FREQUENCY
SUPPORTED BY THE RESULTS
Joint/Cond/Marg
100

How many runners were surveyed?

158

100

Of the students surveyed, what is the relative frequency that a student plays tennis and softball?

Use table 2

27.5%   41/149



100

What is the marginal relative frequency that a student does not play softball?


table  2

37%   55/149

200

Approximately what percentage of people surveyed are swimmers who prefer sports drinks?

14%

200

Of those surveyed what is the relative frequency the person listens to audiobooks?


Use Table 6

about 15.6%    50/320


200

Use Table 5

What is the probability of picking a name from those surveyed who is a mom that prefers chocolate chip cookies?

About 27%   38/140

300

How many swimmers preferred Chocolate Milk?

95

300

Given the person is a runner, what is the relative frequency the person prefers chocolate milk?


TABLE 3

Approx  66%    from 105/158


300

From table 4

What is the probability that a person picked at random wither likes green peppers or does not like green peppers?

100%    129/129

400

How many runners preferred sports drinks? 

53

400

Of those who listen to audiobooks, what percentage were ages 30-49?


Use table 6 (not numbered   oops)

80%    from 40/50

400

Which statement is supported by the results? (#4)

A)  Fewer people want no black olives than want black olives and no green peppers

B)Fewer people want green peppers than want black olives

C) Fewer people want no green peppers than want  green peppers and no black olives

D) More people want neither green peppers nor black olives than want green peppers

C   no green = 46    green/no black = 4747

400

What is the joint Relative Frequency that a student plays tennis and softball?


table 2

41/149   27.5%

500

Complete the Chart!!   Table 5

38   32   70

54   16   70

92   48   140

500

Approximately what percent of those who eat black olives Don't like Green Peppers?


Table 4

43.75%  (or 44%)    from 28/64

500

Use table 6 (not numbered)

Which statement is supported by the results?

A) About 85% of 30 to 49 year olds listen to audiobooks 

B) About 23% of those surveyed listen to audiobooks

C) About 77% of 18 to 29 year olds listen to audiobooks

D) About 16% of adults surveyed listen to audiobooks

D)  About 16%    50/320=.15625


500

What is the Conditional Relative Frequency that a student plays softball GIVEN that the student plays tennis?


table 2

41/79   about 52%