ANNOUNCEMENT
Quiz tomorrow on Probability Problems
LOG PROBLEM
If there is a raffle for the class, and each person gets two tickets, what is the probability that you will win the raffle?
Probability Quiz Practice!
1 There are 140 marbles in a bag and 35 of them are green. If
one marble is chosen, what is the probability that it will be
green?
2 A jar contains 5 red, 27 blue, 32 orange, and 49 pink
marbles. A marble is drawn at random. What is the probability that the marble will be pink?
3 A jar contains 48 black, 23 blue, 76 yellow, and 14 green
marbles. A marble is drawn at random. What is the probability that the marble will not be green.
4 A jar contains 19 orange and 25 white marbles. A marble is
drawn at random. What is the probability that the marble will be white.
5 A number from 12 to 20 is drawn at random. What is the probability that the number will have a two in it?
6 You roll a die numbered from 1 to 6.
What is the probability that the number will be an odd number ≥ 2?
7 A number from 55 to 75 is drawn at random.
What is the probability that the number is divisible by 5?
8 What is the probability of flipping a coin “heads” two times in a row?
9 What is the probability of flipping a coin “tails” three times in a row?
10 What is the probability of rolling a die “5” two times in a row?
HOMEWORK
1 There are 140 marbles in a bag and 35 of them are green. If
one marble is chosen, what is the probability that it will be a color other than
green?
2 A jar contains 5 red, 27 blue, 32 orange, and 49 pink
marbles. A marble is drawn at random. What is the probability that the marble will be pink?
3 What is the probability of flipping a coin “heads” four times in a row?