Simple Random Probability

Probability can be written as ...

• a fraction

• a decimal

• a percent

• all of the above

The chart below represents the number of marbles in a jar.
P(green) = 

• 5/19

• 10/28

• 5/14

Ten cards numbered 1 through 10 mixed together and then one card is drawn. If you draw 80 times, how many times would you pick a number less than 5?

Mathematical Equivalence

ON

Ten cards are numbered 1 through 10 mixed together and then one card is drawn. If you draw cards 180 times, how many times would you predict to pick a number that is divisible by 3?

Mathematical Equivalence

ON

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 a number less than 2 ?

• 3/10

• 3/5

• 1/25

• 1/5

What is the probability of spinning a red or spinning a yellow?

• 1/8

• 1/16

• 1/2

• 1/3

The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing a letter other than “A”? 

• 2/7

• 5/49

• 5/7

• 10/49

A number is randomly selected from 0-10. What is the probability the number selected is greater than 5?

• 1/2

• 3/5

• 2/5

• 5/11

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