Probability test review 7th

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. Draws are made without replacement.P(both marbles are purple)

• 2/9
• 1/3
• 1/2
• 1/4

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

A jar contains 4 white chips, 5 purple chips, and 1 black chip. Chips are selected randomly one at a time, and are not replaced.
P(white, then purple, then black)

• 1/36
• 2/39
• 5/41
• 6/43

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

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.*

• 6/8

• 3/4

• 2/8

• 1/4

Clara picks a marble at random, puts it back, and then picks another marble at random.

• Dependent

• Independent

Pablo chooses a colored marble from a mixed bag and writes down the color. Pablo leaves it out and then draws another.

• Independent

• Dependent

Victor picks a card at random. Without putting the first card back, he picks a second card at random.

• Dependent

• Independent