A pet food company is considering advertising a new high-value pet food in a certain magazine. From surveys they have determined that 41 % of the readerships own a dog and 23% own a cat. 7% own both a cat and a dog.

If a reader of the magazine is selected at random;

(i) What is the probability that the selected reader owns a cat or a dog?

(ii) What is the probability that the selected reader owns a cat but not a dog?

(iii) What is the probability that the selected reader owns neither a cat nor a dog?

(iv) Supposing it is known that the selected reader owns a dog, what is the probability the reader owns a cat?

Answer rating: 100% (QA)

Let us suppose that PA is the probability of the readership own a dog PB is the p... View the full answer