Question

The two-way table shows the number of students that do or do not do chores at home and whether they receive an allowance or not. I Allowance No Allowance 13 3 Do Chores Do Not Do Chores 5 a. How many total students do chores? b. What is the relative frequency of students that do chores and get an allowance to the number of students that do chores? Round to the nearest hundredth if necessary. chores nor get an allowance to the total number of What is the relative frequency of students that do not students? Round to the nearest hundredth if necessary, d. Of those that do not do chores what percentage still receive an allowance?

Answer 1

a) do chores 13 + 3 = 16

answer: 16 students

b) this is

`\frac{chores\text{ and allowance}}{\text{chores}}=(13)/(16)=0.8125`

answer: 0.81

c) this is

`\frac{\text{no chores and no allowance}}{total}=(4)/(25)=0.16`

answer: 0.16

d) this is

`\frac{no\text{ chores and allowance}}{no\text{ chores}}*100=(5)/(9)*100=(500)/(9)=55.55`

answer: 55.55%