Probability Mixed Practice

If Bobby randomly chooses one marble from the bag, what is the probability that he will choose a green marble?

• 1/3

• 8/27

• 7/27

• 3/27

What is the probability that the arrow will land on a green section the first time and a purple section the second time when Paul spins the spinner twice?

• 1/9

• 1/18

• 1/36

• 1/4

Which of the following diagrams shows all the possible outcomes when each arrow is spun once?

• A

• B

• C

• D

What is the probability that Sarah will have steak for dinner on Sunday?

• 1/9

• 1/3

• 2/9

• 1/12

A drawer of crayons contains the following crayons: 6 pink, 2 yellow, and 4 orange. A crayon is randomly selected and replaced, then another is selected. What is the probability that a pink crayon will be selected both times?

• 1/4

• 1/3

• 9/49

• 36/144

Kristen has a box of cupcakes with the following flavors: 6 chocolate, 10 vanilla, 4 strawberry, and 2 blueberry. If Kristen selects a cupcake at random, which statement is true?

• The cupcake is 2 times as likely to be chocolate than it is strawberry

• The cupcake is 5 times as likely to be vanilla as it is blueberry

• The cupcake is equally likely to be any of the four flavors

• The cupcake is more likely to be vanilla than all other flavors combined

A bag of M&Ms contains 12 red M&Ms, 6 blue M&Ms, 8 green M&Ms, and 14 brown M&Ms. An M&M will be drawn from the bag and replaced 60 times. What is a reasonable prediction for the number of times a red or blue M&M will be drawn?

• 18 times

• 27 times

• 30 times

• 29 times

Fred has a variety of marbles laid out on the table. Fred chooses a marble at random and does not replace it. He then selects a second marble at random. What is the probability that Fred selects a dotted marble both times?

• 1/9

• 1/7

• 3/28

• 4/9

Martha rolls a 6-sided number cube (number one through six) two times. What is the probability that she will roll a prime number both times?

• 4/9

• 1/4

• 2/4

• 1/16

Based on the data in the table, what is the probability that a random customer will NOT buy a blue shirt?

• 6/6

• 28/36

• 8/36

• 7/9