Probability / Statistics Review

A bag contains 30 pieces of candy. There are 15 grape, 7 cherry, 3 lemon, 5 strawberry. What is the probability of drawing a lemon?

• 3
• 1/10
• 3/10
• 30%

What is the probability of flipping a coin

3 times and getting 3 heads?

• 1/8

• 1/4

• 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

What is the probability of spinning an even number?

• 30%

• 33%

• 50%

• 67%

A spinner is spun twice. What is the probability of spinning green both times?

• 1/16

• 1/4

• 1/2

• 1/8

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

If 33% of the students at Warren Middle School have a pet, then what is the probability of the students who do not have a pet?

• 33%

• 77%

• 67%

• 50%

Out of 10 balloons, two are small, five are medium, and three are large. Find the odds in favor of a small balloon.

• 2:8

• 8:10

• 2:10

• 8:2

The probability of getting bonus points is 3/5. Find the odds in favor of getting bonus points.

• 3:2

• 2:3

• 3:5

• 5:3

Suppose one card is drawn at random from a standard deck. What is the probability that the card drawn is a club?

• 1/4

• 1/3

• 4/1

• 3/1