Question 3

The Snappy Digital Camera Company segments its products into two product lines: the professional series and the amateur series. With the purchase of a Snappy digital camera, a customer is entitled to join the Snappy Club as a Professional member or an Amateur member, depending on which series he/she has purchased. There are in total 600 Snappy Club members. Among the 400 Professional members, 220 are male. Among the 200 Amateur members, 125 are female.

a.) Fill in the following contingency table with relevant joint probabilities (four of them) and marginal probabilities (four of them).