Probability Review

There is 1 red marble, 3 green marbles, and 4 blue marbles in a bag. What is the probability of picking a green marble?

3/8

There is 1 red marble, 3 green marbles, and 4 blue marbles in a bag. What is the probability of picking a yellow marble?

0

There is 1 red marble, 3 green marbles, and 4 blue marbles in a bag. What is the probability of not picking red?

7/8

What is the probability of rolling a dice and getting a 1 or a 6?

1/3

There are 5 red marbles, 6 green marbles, and 2 blue marbles. What is the probability of picking a red marble?

5/13

There are 5 red marbles, 6 green marbles, and 2 blue marbles. What is the probability of picking green?

6/13

There are 5 red marbles, 6 green marbles, and 2 blue marbles. What is the probability of not picking blue?

11/13

What is the probability of landing on an even number or a 3?

5/8

100% chance that the desired outcome will occur.

Certain

0% chance that the desired outcome will occur.

Impossible

a 50-50 chance of the desired outcome occurring

Equally Likely

More than 50% chance of desired outcome occurring but less than 100%

Likely

Less than 50% chance of desired outcome occurring but more than 0%

Unlikely

Diane will spin this spinner. What is the probability Diane will spin a number greater than 5 and then an odd number?

1/12

Jennie is playing a game in which she rolls a six-sided number cube twice in a row. The cube is labeled with the numbers 1-6. If both rolls are an even number, Jennie gets 100 extra points. What is Jennie's probability of earning 100 extra points?

1/4

An art class has 9 seventh graders and 16 eighth graders. If 2 students are randomly asked to display their work, what is the probability that a seventh grader will be chosen first and an eighth grader will be chosen second (without replacement)?

6/25

James rolls a number cube, with sides labeled 1 through 6, two times. What is the probability James will roll an even number the first roll, and roll a number greater than 4 the second roll?

1/6

Tyler spins each spinner below one time. What is the probability of Tyler's spins landing on an even number and on orange?

1/8

Sue will roll a number cube, labeled 1 through 6, and toss a coin. What is the probability Sue will roll an even number and her coin will land on a heads or tails?

1/2

A jar contains 10 caramels, 7 mints, and 13 dark chocolates. What is the probability of selecting and eating a dark chocolate and then a caramel?

13/87

A box contains 5 yellow marbles, 8 orange marbles and 7 green marbles. If you pick two without looking and without replacing the first marble, what is the probability that one will be orange and the other will be green?

14/95