Probability

What is the probability of rolling 15 with a pair of dice?

• impossible
• unlikely
• equally likely
• likely

You flip a coin 20 times and record the results. Is this experimental or theoretical probability?

• Experimental
• Theoretical

A spinner has 8 equal regions. Each region is marked with one of the following numbers: 10, 20, 30, 40, 50, 60, 70, 80. What is the probability of an even number being spun on the first roll?

• 1/8

• 1/2

• 1

• 3/8

What is the probability of spinning green?

• 0
• 1/4
• 1/2
• 3/4

P(not A) =

*Remember to simplify.*

• 2/6

• 3/4

• 2/8

• 1/4

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

Which shows the sample space for flipping two coins?

• H, T
• HH, HT, TH, TT
• HH, TT
• Dime, Nickel

P(not A) = 
*Remember to simplify.*

• 6/8
• 3/4
• 2/8
• 1/4

A compound event is..

• an event that directly causes another
• the probability of all the outcomes
• 1 event that creates 2 results
• when 2 or  more independent events work together

There are 3 red marbles, 4 blue marbles, 2 green marbles, and 6 clear marbles in a burlap bag. One marble is randomly pulled from the bag. What is the probability the marble was green?

• 1/2

• 1/7

• 2/15

• 2/17