Probability and Two Way Frequency Tables

What would you divide to find the relative frequencies by column? (Select all that apply.)

• 55/118

• 55/143

• 88/103

• 88/143

What would you divide to find the relative frequencies by row? (Select all that apply.)

• 55/118

• 55/143

• 88/103

• 88/143

What percent of people who play an instrument do not play a team sport?

• 80%

• 27.2%

• 40%

• 90.1%

What is the probability that a female is chose given they like a Toyota? 

• .525

• .4627

• .6774

• .3143

What is the probability that a student plays sports given that they do community service?

Chelsea surveyed a sample of students in the senior class to determine the distribution of students with a driver’s license.

Given that a student has a permit, what is the probability the student is female?

• 15/29

• 33/59

• 15/60

• 15/120

Given that the grade is a B, what is the probability of the student being male?

• 6/15

• 9/15

• 6/56

• 9/44

The cell labeled with 84 is an example of a:

• Marginal Frequency

• Joint Frequency

• Relative Frequency

• Conditional Relative Frequency

What percentage of the days that it did rain, did they forecast no rain?

• About 20%

• About 18%

• About 30%

• About 12%

What percentage of the days that it rained, did they forecast no rain?

• About 20%

• About 18%

• About 14%

• About 12%