Probability questions of the type:

"What is the probability that you never get _____"
and
"What is the probability that you get at least one _____"

1. If everyone in a group of 4 people rolls a 6 sided die, what is the probability that at least one person gets a 6?

2. If everyone in a group of 4 people rolls a 6 sided die, what is the probability that at least one person gets a 2?

3. If I roll a 6-sided die 4 times, what is the probability that I get at least one 2?

4. If I roll a 6- sided die 5 times, what is the probability that I don't get a 2 on any of the rolls?

5. If I roll a 12-sided die 4 times, what is the probability that I get a 3 at least once

6. In a group of 8 people, what is the probability that someone has a birthday in January?

7. If I roll a 10-sided die 5 times, what's the probability that I don't get a 4 on any of the rolls?

8. If I roll a 6-sided die 8 times, what is the probability that I get at least one 4?

9. If everyone in a group of 5 people rolls a 20 sided die, what is the probability that someone will get a 1?

10. If everyone in a group of 4 rolls an 8-sided die, what is the probability that no-one rolls a 4?

Answers