60 students went on a school trip to a zoo.
32 of the students brought a packed lunch.
16 of the students visited the gift shop.
25 of the students neither brought a packed lunch nor visited the gift shop.
a) Copy and complete the frequency tree below to show this information.
b) How many students brought a packed lunch and did not visit the gift
shop?
Brought a packed
lunch?
Yes
No
Visited the gift
shop?
Yes
No
Yes
No