A magazine a survey to determine its readers favorite type of shoesfavorite types of shoes worn sneaker boot sandal other 54%. 16% 20%. 10% what is the probability that sneakers or boots will be the favorite shoe of the next reader??

We know that the probability of an event or other is additive, so we will have that the probability that sneakers or boots will be the favorite shoe of the next reader is:
[tex]P(sneakers\text{ }or\text{ }boots)=54+16\Rightarrow P(sneakers\text{ }or\text{ }boots)=70[/tex]So, the probability is 70%.