Independence and Two Way Tables

The table shows the different types of engineers and the subject they liked most.  What percentage of people surveyed were chemical engineers who preferred math?

• 16.5%

• 33.1%

• 17.6%

• 15.5%

What percent of people who attended the basketball game also attended the school play?

• 38%

• 47%

• 25%

• 54%

How many females were surveyed?

• 10

• 16

• 26

• 14

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

• 4%

• 14%

• 13%

• 29%

How many total have no cell phone?

• 13

• 9

• 22

• 100

How many sophomores like burritos and pizza?

• 6

• 5

• 11

• 50

According to the table, what is the relative frequency of students ages 10 - 13 who eat breakfast?

• About 33%

• About 50%

• About 40%

• About 44%

Of the mechanical engineers, what is the probability that math is their favorite subject?

• 91

• 52%

• 17%

• 35%

What percent of all students were females who prefer football?

• 16%

• 80%

• 8%

• 12%

What was the most popular party type?

• Bowling

• Skating

• Dancing

• Total