1. Five percent of people cannot distinguish between cucumber and green squash. Researchers need at least 40 people who will not be able to distinguish between the two, so they randomly selected 500 people for the vegetable study. Estimate the probability that at least 40 people cannot distinguish between cucumber and green squash. Is the result high enough so that the researchers can be confident that getting at least 40 people to not distinguish between cucumber and green squash?

1. 0.7893
2. 0.9968
3. 0.0014
4. 0.1754
5. 0.9986