In a sample of 2016 U. adults, 242 said Richard Nixon was the worst president. adults are selected at random without replacement.

In a sample of 2016 U.S. adults, 242 said Richard Nixon was the worst president. 3 U.S. adults are selected at random without replacement.

1. what is the probability that all three adults say Richard Nixon was the worst president
2. what is the probability that none of the three adults say Richard Nixon was the worst president
3. what is the probability that at most two of the three adults say Richard Nixon was the worst president
4. Which of the 3 above can be considered unusual? Explain.