Looking for a job: According to the General Social Survey conducted at the University of Chicago, 59% of employed adults believe that if they lost their job, it would be easy to find another one with a similar salary. Suppose that 10 employed adults are randomly selected.
a. Find the probability that exactly three of them believe it would be easy to find another job.
b. Find the probability that more than two of them believe it would be easy to find another job.
c. Would it be unusual if all of them believed it would be easy to find another job?