- You roll a die. What is the probability you roll a prime number or an even
number?
Prime numbers on a die are 2, 3, and 5. You can notice that you can get a prime number and an even number at the same time, which is 2. Then, the event are not mutually exclusive.
- What is the probability that it rains or snows on a certain day in Calgary?
In this situation event are not mutually exclusive.
- You randomly select a card from a standard deck. What is the probability of
selecting spade or a red card?
In a standard deck, you cannot select a card with both red and spade denomination.
Then, this situation is about mutually exclusive events.
- You draw a ball from a bag of blue and red balls. What is the probability that you
draw a blue or red ball?
You cannot obtain a blue ball and a red ball at the same time, then, this events are mutually exclusive.