6.59 ▼ A certain university has 10 vehicles available for use by faculty and staff. Six of these are vans and four are cars. On a particular day, only two requests for vehicles have been made. Suppose that the two vehicles to be assigned are chosen in a completely random fashion from among the 10.

a. Let E denote the event that the first vehicle assigned is a van. What is PsEd?

b. Let F denote the event that the second vehicle assigned is a van. What is PsFuEd?

c. Use the results of Parts

(a) and

(b) to calculate PsE and Fd (Hint: See Example 6.23.)