Unit 8 Summative: Probability & Statistics

Identify the statement as either INDEPENDENT or DEPENDENT events.

How many ways can you arrange the letters in the word “SAMPLE?

• Independent

• Dependent

Tags

CCSS.HSS.CP.A.5

Identify the statement as either INDEPENDENT or DEPENDENT events.

In how many different ways can a committee of three people be selected from a total of eight people?

• Independent

• Dependent

Tags

CCSS.HSS.CP.A.5

Identify the statement as either INDEPENDENT or DEPENDENT events.

Twelve people are running a race. In how many ways can the first three places come out?

• Independent

• Dependent

Tags

CCSS.HSS.CP.A.5

Identify the statement as either INDEPENDENT or DEPENDENT events.

An ice cream parlor has 18 different flavors. George orders a sundae and has to select 3 flavors. How many different selections are possible?

• Independent

• Dependent

Tags

CCSS.HSS.CP.A.5

A box contains 5 red balls, 4 blue balls, and 3 green balls. If one ball is randomly selected, what is the probability of selecting a blue ball?

• 1/3

• 1/2

• 4/11

• 3/10

Tags

CCSS.7.SP.C.7B

Events A and B are independent. Find the P(A and B).

P(A) = 0.1

P(B) = 0.9

• 10%

• 1%

• 100%

• 9%

Tags

CCSS.HSS.CP.A.2

CCSS.HSS.CP.A.4

Sammy has twelve toy cars (four red, two blue, three yellow, one white, and two green) in his toy box. He decides to give ONE toy car to his brother Bobby.

What is the probability Sammy will choose a car that is green?

• 1/6

• 1/4

• 1/3

• 1/2

Tags

CCSS.7.SP.C.7B

Sammy has twelve toy cars (four red, two blue, three yellow, one white, and two green) in his toy box. He decides to give ONE toy car to his brother Bobby.

What is the probability Sammy will choose a car that is not white?

• 11/12

• 1/12

• 5/12

• 7/12

Tags

CCSS.7.SP.C.7B

Sammy has twelve toy cars (four red, two blue, three yellow, one white, and two green) in his toy box. He decides to give ONE toy car to his brother Bobby.

What is the probability Sammy will choose a red or blue car?

• 1/2

• 1/6

• 1/3

• 2/3

A bag contains the following marbles. Find the probabilities below as a reduced fraction. There is no replacement. 6 Red, 2 Black, 3 Green, 1 Yellow

P(red and then black)

• (6/12) * (2/11) = 1/11

• (6/12) * (3/11) = 3/22

• (2/12) * (6/11) = 1/11

• (6/12) * (2/12) = 1/12