Probability

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

• 3/10

• 3/6

• 1/9

• 1/3

What is the probability of spinning an even number?

• 16 2/3%

• 33 1/3%

• 50%

• 75%

Probability is ...

• the chance that some event will occur.
• a game that involves coins.
• a guarantee.

What is the probability of spinning green (as a percent)?

• 30%

• 20%

• 25%

• 50%

What is the probability of spinning red?

• 0
• 5/12
• 1/2
• 3/4

A bag contains 5 quarters, 2 dimes, and 4 pennies. What is the probability of picking a quarter?

• 5/11
• 5/6
• 1/3
• 5

Andrew picks one marble at a time from a box and replaces it. He repeats this process 25 times and records the results in the table. Based on the table, which color marble has an experimental probability of 1/5?

• Yellow
• Red
• Blue
• Green

The spinner is divided into eight equal parts. Find the theoretical probability of landing on the given section of the spinner.P(white)=

• 1/8
• 5/8
• 7/8
• 3/7

If you select a marble without looking, how likely is it that you will pick a black one?

• certain

• probable

• unlikely

• impossible

The following M & M colors are in the bowl:
4 yellow, 6 orange, 3 green, 5 blue, 2 brown.
P( Yellow or green)

• 1/40
• 7/20
• 6/19
• 1/38