According to a website, a good job is a job in which you work 30+ hours per week and receive a regular paycheck. A poll found 42% of adults have a good job. Suppose we ask 80 adults about their job status.

1. How many adults should we expect to have a good job?

2. Find the probability that 25 adults have a good job.

3. Find the probability that at most 29 adults have a good job.

4. Find the probability that more than 35 adults have a good job.