A representative sample of 50 customers at a
restaurant is surveyed during a weekend to help
estimate what should be prepared for the next
weekend. Each customer in the sample is asked
which entrée he or she ordered. The results are
shown in the table.
Based on the results, which inferences are reasonable?
Choose True or False for each statement.
Entrée
Baked Chicken
Eggplant Parmesan
Grilled Fish
Pasta with Vegetables
Roasted Turkey
Number
Ordered
13
10
5
a. It is reasonable to estimate that 13 customers out of the first
100 customers next weekend will order baked chicken.
True
False
b. About 20% of the customers ordered eggplant parmesan this weekend.
True
True
False
False
c. If the restaurant has reservations for 300 people for the next weekend,
the chef should prepare about 15 grilled fish entrees.
d. About 66% of the customers did not order pasta with vegetables this
weekend
True
False
e.
It is reasonable to estimate that 20 out of 200 customers will order
roasted turkey as an entrée.
True
False