A marketing firm has bid on two projects. The probability of winning project A is . If the firm wins project A, the probability of winning project B...

A marketing firm has bid on two projects. The probability of winning project A is .4. If the firm wins project A, the probability of winning project B is .6. If the firm loses project A, the probability of winning project B decreases to .3. Find the probability of the following events.

a. Winning both projects.

b. Winning exactly one project.

c. Winning at least one project.