3/22 Probability TEST REVIEW

What does it mean when an experiment is conducted WITH replacement?

• WITH replacement means an item is placed back in the experiment; denominator stays the same

• WITH replacement means an item is placed back in the experiment; denominator decreases

What does it mean when an experiment is conducted WITHOUT replacement?

• WITHOUT replacement means an item is taken out of the experiment; denominator stays the same

• WITHOUT replacement means an item is taken out of the experiment; denominator decreases.

You have a bag of 18 marbles. There are 4 blue, 6 green, 2 red, and 6 yellow. What is the probability of drawing a blue OR yellow?

• 66.7%

• 11.1%

• 55.5%

• Not enough information

Tags

CCSS.HSS.CP.B.7

You roll a six sided die. What is the probability of rolling a 4 OR 5?

•  $\frac{2}{3}$  

•  $\frac{5}{6}$   

•  $\frac{1}{2}$  

•  $\frac{1}{3}$   

Tags

CCSS.HSS.CP.B.7

A fruit basket contains:

9 apples, 3 bananas, 7 oranges, 5 pears, and 1 grapefruit.

Kyle randomly chooses a fruit. What is the probably that he chooses an apple OR a pear?

• 60%

• 24%

• 44%

• 56%

Tags

CCSS.HSS.CP.B.7

What is the sample space for flipping a dime twice?

• H, T

• HH, HT, TH, TT

• HH, TT

• 2

What is sample space?

• a process with an uncertain result

• a possible result of an action

• a list of all possible outcomes of an event

• a single outcome or group of outcomes

Using the picture of Gummy Bears, what is the sample space?

• 6 bears

• orange, green, red, white, yellow

• 1/6

• 2 red bears

Probability is defined as...

• the set of all possible outcomes.
• the likelihood that an event will happen.
• a tree diagram.
• the fundamental counting principle.

Tags

CCSS.7.SP.C.5

A coin is flipped and 6-sided die is rolled. Which of the following represents the sample space for the scenario?

• H1, H2, H3, H4, H5, H6

• H1, H2, H3, H4, H5, H6, T1, T2, T3, T4, T5, T6

• T1, T2, T3, T4, T5, T6

• H, T, 1, 2, 3, 4, 5, 6

Tags

CCSS.7.SP.C.8B