Hiring Employees Assume that Google, Inc. hires employees on the different business days of the week (Monday through Friday) with equal likelihood.

a. If two different employees are randomly selected, what is the probability that they were both hired on a Monday?

b. If two different employees are randomly selected, what is the probability that they were both hired on the same day of the week?

c. What is the probability that 10 people in the same department were all hired on the same day of the week? Is such an event unlikely?