In: Statistics and Probability
Suppose that 32% of people have a dog, 27% of people have a cat, and 12% have both. What is the probability that someone owns a dog but not a cat?
P(dog) = 0.32
P(cat) = 0.27
P(dog and cat) = 0.12
P(dog but not a cat) = P(dog) - P(dog and cat) = 0.32 - 0.12 = 0.2