Practice Problems for the Lander Math Contest
Module 1, Problems (1-3):
1) Find the probability of the following events:
a) Drawing an ace of diamonds, a queen of clubs or a
king, when selecting one card from a standard deck of
b) The sum of the two dice is 9.
2) A single marble is drawn from the box containing 15 red,
10 blue, 7 green and 12 white marbles. Find the probability
that it is:
a) Red or blue.
b) Not blue or not white.
3) A card is drawn from the deck of 52 cards. Find the
probability that it is:
a) A heart or a nine.
b) A card with a human face (J, Q or K) on it or a club.
c) Neither a ten nor a spade.