Probability: A police department needs new tires...the probabilities are respectively, .22,.17,.21, and .09 that it will buy Uniroyal, Goodyear, Goodrich or Mechelin tires. What is the probability that it will buy one of these four kinds?

Question

anonymous · Answer

This one is hard, what can we assume about these events when it comes to mutual exclusivity and independence?

anonymous · Answer

We can assume that the probability that it buys no tires is 0, I believe.

anonymous · Answer

@Lovely95, what do you think?