Mindy conducted a survey of the phones in 4 stores and wrote the following observations:

5 of the 8 phones in store 1 were smartphones.

13 of 22 phones in store 2 were smartphones.

23 of the 30 phones in store 3 were smartphones.

12 of the 25 phones in store 4 were smart phones.

a. store 1

b. store 2

c. store 3

d. store 4