Simple Probability and Compound Probability

What is the probability of spinning an even number?

• 3/50

• 3/100

• 1/2

• 3/4

What is the probability of spinning a prime number? 

• 1/2

• 2/3

• 1/6

• 0

Two marbles are randomly drawn from a bag containing 3 purple, 1 blue, and 1 yellow marble. The first marble is blue and is not replaced. Find the probability of drawing a second marble that is purple. 

• 3/5

• 3/4

• 3/20

• 2/5

A fruit basket contains 9 apples, 3 bananas, 7 oranges, 5 pears, and 1 grapefruit. Kyle randomly chooses a fruit, does not replace it, then chooses another. What is the probably that he chose two pears?

• 9/49

• 4/125

• 1/10

• 1/30

A chorus has 50 girls and 35 boys. If two are chosen at random to sing a duet, what is the probability that both will be boys? 

• 1/6

• 7/17

• 3/8

• 13/25

P(not A) = 
*Remember to simplify.*

• 6/8

• 3/4

• 2/8

• 1/4

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?

• 1/3

• 30%

• 3

• 1/10

The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing a letter that is not “A”?

• 2/7

• 5/7

• 5/49

• 10/49

A letter of the alphabet is chosen at random, then a coin is flipped. What is the probability of choosing a letter from the word MATH then getting tails? 

• 17/26

• 1/13

• 5/13

• 5/26

A number cube is rolled twice. What is the probability of getting a 6 on the first roll, then a number less than 5 on the second roll? 

• 2/3

• 5/36

• 1/9

• 1/36