In a poll, Pine Valley Grocery Store asked 80 shoppers whether they prefer chocolate-chip
cookies or oatmeal-raisin cookies. This table shows the relative frequencies from the survey.
Chocolate chip
Under 45 years
0.15
old
45 years old or
0.60
over
Total
0.75
Oatmeal raisin
Total
0.05
0.20
0.20
0.25
Based on the data in the table, which statements are true? Select all that apply.
More customers prefer chocolate-chip cookies than prefer oatmeal-raisin
cookies.
Most of the customers surveyed were 45 years old or over.
There is an association between a customer's age and cookie preference.
There is no association between a customer's age and cookie preference.
0.80
1.00