2nd Nine Week Exam AMDM

The tree diagram shows the outcomes of rolling a die and flipping a coin.  
How many total outcomes are there?  

• 6
• 12
• 24
• 36

Tags

CCSS.7.SP.C.8B

Two dice are rolled and it is recorded whether the result on each is odd or even. What is the probability that one is even and one is odd?

• 1/2

• 1/4

• 3/4

• 1/3

Tags

CCSS.7.SP.C.8B

You have a 3 tops, 2 pants and 2 shoes. How many total outfit options are represented?

• 12 outfits

• 22 outfits

• 3 outfits

• 7 outfits

If you draw one card from a standard deck, what is the probability of drawing a spade or a red card?

• 13/52
• 26/52
• 39/52
• Not possible

Tags

CCSS.HSS.CP.B.7

If you roll one die, what is the probability of getting an odd number or a 4?

• 2/3
• 1/3
• 1/2
• 1/6

Tags

CCSS.HSS.CP.B.7

"The candidate with more than half of the 1st place votes should be the winner." This is the 

• Majority Rule
• Plurality Rule
• American Rule
• Preference Rule

Which of the following expressions correctly shows an expected value calculation for the probability distribution below?

Tags

CCSS.HSS.MD.A.2

Given the probability model in the table below, what is the expected value of the random variable?
  X        50          20        5
P(X)     0.1         0.3      0.6

• 24

• 30.75

• 14

• 18.3

Tags

CCSS.HSS.MD.A.2

Choose an American household at random. What is the expected number of cars for that household?

• 1.75
• 1.84
• 2.00
• 2.50

Tags

CCSS.HSS.MD.A.2

Given the probability model in the table below, what is the expected value of the random variable?
  X        70          90        10
P(X)     0.1         0.3      0.6

• 14
• 4.67
• 40

• 50

Tags

CCSS.HSS.MD.A.2