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20 questions
A regular 6-sided die is to be rolled once. What is the probability that a number less than 3 is rolled?
1/3
1/6
1/2
2/3
A spinner has 8 equal regions. Each region is marked with one of the following numbers: 10, 20, 30, 40, 50, 60, 70, 80. What is the probability of an even number being spun on the first roll?
1/8
1/2
1
3/8
A coin is tossed and then a regular 6-sided die is rolled. What is the probability of the resulting outcome being
(tails, even)?
1/2
1/12
1/6
1/4
One card is randomly picked from a regular deck of cards. What is the theoretical probability that the card picked is a jack?
1/13
1/4
3/16
1/10
There are 3 red marbles, 4 blue marbles, 2 green marbles, and 6 clear marbles in a burlap bag. One marble is randomly pulled from the bag. What is the probability the marble was green?
1/2
1/7
2/15
2/17
Sarah, Sammie, Victor, Vicki, and Valerie are in math group. Two students are randomly picked to be the co-leaders. What is the probability that the students picked were Sammie and Victor?
1/25
2/5
1/5
1/20
Find the probability of each set of independent events.
rolling a six on the first roll of a 1-6 number cube and rolling an odd number on the second roll of the same cube.
1/12
1/6
1/8
1/2
Find the probability of each set of independent events.
flipping a tail on a coin and spinning a 5 on a spinner with sections of equal area numbered 1-5.
1/2
1/7
1/5
1/10
A standard die is rolled twice. Find each probability.
P (prime, then 6)
1/2
2/3
1/9
1/12
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