Sample Spaces and Simple Probability

A bag has 3 red marbles, 2 blue and 4 green and 1 yellow. What is the theoretical probability of pulling a red?

• 3/10

• 3/9

• 1/10

• 1/9

Which of the following best describes the likelihood of the spinner landing on a number less than 6?

• impossible

• unlikely

• equally likely

• likely

• certain

The following M & M colors are in the bowl:
4 yellow, 6 orange, 3 green, 5 blue, 2 brown
What is the probability of selecting a brown candy?

• 2/18

• 1/9

• 2/20

• 1/10

What is the probability of spinning an even number?

• 25%

• 33%

• 50%

• 75%

What is the probability of spinning a yellow, green, or blue?

• 3/4

• 1/12

• 1/3

• 1/16

What is the probability of flipping this quarter and landing on tails?

• 1/4

• 1/3

• 1/2

• 2/3

Look at the set of blocks. What is the probability of choosing a red block? (simplify your answer)

P(red) =

• 1/5

• 2/7

• 1/6

• 1/12

Which shows the sample space for flipping two coins? 
H = heads, T = tails

• H, T

• HH, HT, TH, TT

• HH, TT

• HH, TT, TT, HH

What is the probability of the spinner landing on red?

• 5/12

• 7/12

• 5/5

• 5/10 or 1/2

A box contains 4 red pencils, 6 blue pencils, 5 black pencils, and 3 green pencils. The best description of the likelihood of selecting a blue pencil at random from the box is ​​​ (a)   . ​ ​

• unlikely

• impossible

• equally likely

• likely

• certain