probability review

Nadia has 5 pairs of jeans, 3 blouses, and 4 pairs of tennis shoes. How many different combinations can be made of 1 pair of jeans, 1 blouse, and 1 pair of shoes?

• 12

• 11

• 60

• 90

Boris has a coin and a number cube. The number cube is labeled 1 through 6. He flips the coin once and rolls the number cube once. What is the probability that the coin land tails-up and the cube lands on an even number?

Tags

CCSS.HSS.CP.B.7

Amelia receives a treat bag. The treat bag contains 10 gumballs, 5 pixie sticks, 2 bracelets, and 3 chocolates. If Amelia selects 3 items from her treat bag without looking and gives them to her sister, which could NOT represent a possible outcome for the items Amelia selects?

• gumball, gumball, gumball

• pixie stick, gumball, chocolate

• bracelet, bracelet, bracelet

• gumball, gumball, pixie stick

Tags

CCSS.7.SP.C.8B

• P (white)

• P (NOT red or yellow)

• P(white or blue)

• P(NOT blue)

Tags

CCSS.HSS.CP.B.7

A bag contains 6 red marbles, 2 white marbles, and 1 gray marble. You randomly pick out a marble, keep it, and choose a second marble.  What is the probability of choosing a white marble the first time, and a white marble the second time?

What is the probability of flipping two fair coins and having both show tails?

A bag of M&Ms contains 4 red, and 1 blue, 3 yellow, and 2 brown. What is the probability of Maggie choosing a yellow M&M if Maggie does this 120 times?

• 3

• 40

• 36

• 48

Tags

CCSS.7.SP.C.6

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Tags

CCSS.7.SP.C.8B

  A local restaurant is considering introducing a new sandwich. In order to make the sandwich profitable, the restaurant needs to sell 640 sandwiches a week. The restaurant averages 12,400 customers per week. They surveyed a sampling of their customers to test the popularity if different sandwiches. Based on the data in the survey, how many customers are likely to buy a rib sandwich in a week?

• 151

• 2520

• 3600

• 3720

Tags

CCSS.7.SP.A.2

The table below shows the results of spinning the spinner 65 times. Based on the experimental data, which of the following statements is NOT true?

•   Out of 100 spins, the spinner is expected to land on five approximately 23 times.

• A.    Out of 200 spins, the spinner is expected to land on three 40 times.

• Out of 300 spins, the spinner is expected to land on four approximately 55 times.

• Out of 400 spins, the spinner is expected to land on two 60 times

Tags

CCSS.7.SP.C.6