Probability Practice Period 5

A bag has 3 red marbles, 2 blue and 4 yellow. What is the theoretical probability of pulling a red?

(Find red marbles out of total, simplify)

• 3/10

• 1/3

• 1/9

• 1/10

What is the probability of spinning green?

• 0
• 1/4
• 1/2
• 3/4

What is the probability of spinning red?

• 0
• 5/12
• 1/2
• 3/4

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 box contains 5 purple marbles, 3 green marbles, and 2 orange marbles.

Carson draws 1 marble then another WITHOUT REPLACEMENT.

Find P(purple, purple)

• 2/9

• 1/3

• 1/2

• 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?

• 3
• 1/10
• 3/10
• 30%

P(not A) =

*Remember to simplify.*

• 7/8

• 3/4

• 2/8

• 1/4

You flip a nickel three times.

P(Tails, Tails, Tails)

• 1/2

• 1/4

• 1/6

• 1/8

The theoretical probability of rolling an even number on a dice.

• 3/6
• 1/2
• 1/6
• 5/6

• 1/48

• 1/6

• 1/8

• 1/24