Relative Frequency to Make Predictions

A local book store kept records of the types of books bought by its customers. The table below shows the results of the survey.

Based on the data, if the store sells 2,250 books next week, how many of the books will be satire or horror?

• 372

• 219

• 591

• 543

How many times did the spinner land on Red?

• 45

• 75

• 120

• 60

Erika wanted to see if there was a relationship between how often someone eats fast food in a week and how the person gets to work each day. She conducted a survey where participants answered how often they eat fast food as well as whether they drive to work or use public transportation. Of the people who drive to work, find the relative frequency of those who eat fast food 0-2 times/week

• 8%

• 40%

• 71%

• 34%

Students in a middle school were asked about their favorite movie genre. The results are organized in the two-way table.

Of the males students, the relative frequency of those whose favorite movie genre is science fiction?

• 48%

• 51%

• 26%

• 23%

• 28%

What is the relative frequency (to the nearest percent) of boys among those who cannot bike to school? 

• 4%

• 14%

• 13%

• 29%

What is the relative frequency for selecting a teen given that the person likes chocolate?

• .112

• .267

• .164

• .056

What is the relative frequency of people who like snowmobiles and skateboards to the total number of people surveyed?

• 62%

• 55%

• 43%

• 50%

What is the relative frequency of people who have blue eyes to the total number of people surveyed?

• 16%

• 19%

• 35%

• 81%

What is the relative frequency of males who drive sports cars to the total number of people who drive sports cars?

• 46%

• 16%

• 65%

• 25%

What is the relative frequency of females driving SUVs to the total number of people driving SUVs?

• 56.25%

• 75%

• 83.25%

• 86.5%