Intro Probability

A jar contains 2 pink, 6 red, and 4 blue marbles. If you pick one marble without looking, what is the probability that the marble you pick will be red or blue?

• 5/6

• 1/2

• 1/3

• 1/6

The spinner is divided into eight equal parts.

Find the probability of the spinner landing on white.

• 1/8

• 5/8

• 7/8

• 3/7

A bag contains 30 pieces of candy. There are 15 grape, 7 cherry, 3 lemon, 5 strawberry. What is the probability of drawing a lemon?

• 3/27

• 10%

• 3/10

• 30%

A jar contains 12 marbles: 2 pink, 6 red, and 4 blue marbles. If you pick one marble without looking, what is the probability that the marble you pick will be red or blue?

• 5/6

• 1/2

• 1/3

• 1/6

What is the probability of picking a purple marble from the bag?

• 3/10

• 1/10

• 0

• 1

The letters that form the word MATHEMATICS are placed in a bowl. What is the probability of choosing a "M"?

• 8/121

• 4/11

• 2/11

• 4/121

Probability can be written as ...

• a fraction

• a decimal

• a percent

• all of the above

What is the probability that the spinner will land on either yellow (Y) or green (G)?

• 1/4

• 1/3

• 1/2

• 2/3

What is the likelihood of spinning the spinner and landing on red?

• impossible

• unlikely

• equally likely as unlikely

• likely

• certain

Find the theoretical probability of NOT landing on yellow if you spin the spinner.

• 1/8

• 7/8

• 1

• 7