A grocery store manager looked at 200 randomly selected receipts to determine how many customers bought milk by the gallon and how many customers bought a new
brand of peanut butter. The tables below summarize the data collected by the manager.
Did the Customer Buy the
New Brand of Peanut Butter?
Did the Customer Buy Milk
by the Gallon?
Answer Frequency
Yes
90
No
110
Answer
Yes
Frequency
40
160
No
Based on the results shown in the tables above, how many of the store's 1,500 weekly
customers should the manager expect to buy both milk by the gallon and the new
brand of peanut butter?
ents
A 130