Worksheet #2 Mat 117
Name........................................
Name........................................
Name........................................
Please show your work clearly and neatly. NO work – NO credit! Your group size may have AT MOST 3
people.
1. A single die is rolled once. Determine the probability of rolling:
(a) a 2 or 5
(b) an odd number or a number greater than or equal to 4
(c) a number greater than 4 or less than 2
2. One card is selected from a deck of playing cards. Determine the probability of selecting:
(a) a club or a red card
(b) a card less than 8 or a club
(c) a card greater than 9 or a black card
3. Suppose at Murray State University, 55% of the students earn a degree at the end of 5 years and 25% of
the students earn a degree at the end of 4 years. What is the probability of earning a degree at MSU at the
end of four or five years?
4. Suppose three cards are drawn at random from a standard deck. What’s the probability that they are all
face cards?
5. A pile of coins consists of 10 quarters, 8 dimes, and 7 nickels. If you randomly select 3 coins from the
pile, what is the probability that you will get a quarter the 1st time, a dime the 2nd time, and a nickel the
3rd time?
