Probability Retest

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

• 7/11

• 4/11

• 2/11

• 5/26

What is the probability of spinning a 2 on the spinner?

• 1/2

• 1/3

• 1/8

• 1/4

A die is rolled. What is the probability that the result is less than 3 ?

• 1/2

• 1/3

• 1/4

• 1/6

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%

How do you find compound probability?

• Multiply your probabilities

• Add your probabilities

• Divide your probabilities

• Subtract your probabilities

If I flip a coin 10 times, how many times should I get heads?

• 1

• 10

• 3

• 5

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

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

Shelly has a bag with 8 white balls, 9 red balls, 13 green balls, and 10 orange balls. If she chooses a ball from the bag without looking, which color ball will Shelly be most likely to choose? 

• white 

• red 

• green

• orange 

P(not A) = 
*Remember to simplify.*

• 6/8

• 3/4

• 2/8

• 1/4