Probability/Two Way Tables Practice

What percentage of girls have blonde hair?

• 30%
• 32%
• 29%
• 40%

What percentage of the students have brown hair?

• 25%
• 60%
• 45%
• 50%

According to the two-way table, a person who plays an instrument is most likely to:

• Not play an instrument
• Not play a team sport
• Play a team sport
• All of the above

Out of those surveyed, what is the probability that the student is a boy who can't bike to school (in simplest form)?

• 4/30
• 7/30
• 2/15
• 14/30

What number should go in the blue box?

• 21

• 135

• 19

• 22

How many total have no cell phone?

• 13

• 9

• 22

• 100

How many total people were surveyed?

• 78

• 22

• 70

• 100

How many speak a foreign language and had a math grade above 90?

• 70

• 15

• 80

• 85

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%

How many chemical engineers chose Science as their favorite subject?

• 80
• 91
• 171
• 262