3. A card is drawn randomly from a deck of ordinary playing cards. You win $10 if the card is a spade or an ace. What is the probability that you will win the game?

Enter your probability as reduced fraction.

4. A recent census found that 51.8 % of adults are female, 10.8 % are divorced, and 5.8 % are divorced females. For an adult selected at random, let F be the event that the person is female, and D be the event that the person is divorced.

Answer parts (a and b). Enter your probabilities as decimals.

4(a) Obtain P(F), P(D), and P(F and D).

P(F) =

P(D) =

P(F and D) =

4(b) Determine P(F or D).