![(3)/(4)](https://img.qammunity.org/2023/formulas/mathematics/college/6otmyw3mgeh8fs2t7959rb31invfxzzkm4.png)
Step-by-step explanation:
Data:
The total amount of surveyed students: 48
Amount of students preferring dogs: 20
Amount of students preferring cats: 16
Solution:
Amount of students preferring dogs and cats: 20 + 16 = 36
Probability of students preferring dogs or cats:
![(36)/(48)=(9)/(12)=(3)/(4)](https://img.qammunity.org/2023/formulas/mathematics/college/rd187010fszngpaoipfqg4dxzfozqm8pw7.png)