Simple Probability

What is the probability of flipping a coin and getting tails?

• 1/2

• 1/3

• 1/4

• Never, Tails never fails.

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

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

• 8/121

• 4/11

• 2/11

• 4/121

A spinner is marked with four sections and was spun 100 times. Is this experimental or theoretical probability?

• experimental

• theoretical

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

• Experimental

• Theoretical

P(not A) = 
*Remember to simplify.*

• 6/8

• 3/4

• 2/8

• 1/4

The letters that form the word ALGEBRA are placed in a bowl. Craig says the probability of choosing an 'a' is 2/7, is this experimental or theoretical probability?

• Theoretical

• Experimental 

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 red?

• 0

• 5/12

• 1/2

• 3/4

If you spin the spinner 90 times, how many times should the number 3 be selected?

• 9

• 15

• 16

• 30