Contingency Tables

What percent of the participants were given a placebo?

• 56%

• 44%

• 60%

• 40%

What percent of the respondents were given the placebo and had their headache go away in 45 minutes?

• 75%

• 22%

• 40%

• 62%

What is the probability that a student does play a sport given they do not play an instrument? 

• .2

• .2222

• .10

• .5

How many people like both skateboards & snowmobiles?

• 45

• 25

• 10

• 80

What is the percentage of people that purchased no food?

• 10%

• 60%

• 15%

• 30%

How many students were surveyed in the "Biking to School" two-way table?

• 16

• 14

• 11

• 30

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

• About 20%

• About 18%

• About 14%

• About 12%

How many total people have blue eyes?

• 2

• 12

• 10

• 50

How many total people wore yellow?

• 30

• 22

• 40

• 62

What percentage of males drive sports cars?

• 35%

• 16.25%

• 65%

• 25%