Grade 7 Unit 1: Probability Test Review

Tiles with the numbers 1 through 12 are placed in a bag. What is the probability of choosing an even number that is greater than or equal to 4?

• $\frac{9}{12}$ or $\frac{3}{4}$

• $\frac{4}{12}$ or $\frac{1}{3}$

• $\frac{5}{12}$

• $\frac{6}{12}$ or $\frac{1}{2}$

A standard number cube is rolled. What is the probability of rolling a number less than or equal to 4?

• $\frac{4}{6}\ or\ \frac{2}{3}$

• $\frac{3}{6}\ or\ \frac{1}{2}$

• $\frac{2}{6}\ or\ \frac{1}{3}$

• $\frac{1}{6}$

Tags

CCSS.7.SP.C.7A

Tiles with the numbers 1 through 20 are placed in a bag. What is the probability of choosing a number greater that 13?

• $\frac{7}{20}$
  

• $\frac{3}{10}$
  

• $\frac{1}{20}$
  

• $\frac{2}{5}$

Tags

CCSS.7.SP.C.7B

A standard number cube is rolled. What is the probability of rolling an even number less than or equal to 4?

• $\frac{2}{3}$

• $\frac{1}{3}$

• $\frac{1}{2}$

• $\frac{1}{6}$

Select all of the events that are possible, but unlikely.

• Randomly drawing a Queen of Hearts from a standard deck of cards. (A standard deck has one Queen of Hearts out of 52 total cards).

• You learn about math in math class.

• You flip a coin and it lands on heads.

• Every person in this class logs into Zoom on time.

Tags

CCSS.7.SP.C.5

Select all of the events that have a probability of zero.

• Buying one lottery ticket and winning the lottery with it.

• Rolling a 10 on a standard number cube.

• Opening a 400 page book to exactly page 127.

• Choosing a red block from a bag that has 5 green blocks and 5 black blocks.

Tags

CCSS.7.SP.C.5

Select all of the events that are equally likely to happen as not happen.

• Flipping a coin and landing on heads.

• Rolling a standard number cube and landing on an even number.

• Randomly choosing a type of triangle and choosing one that has three sides.

• Choosing a green tile from a bag that has 18 blue tiles and 18 green tiles.

Tags

CCSS.7.SP.C.7A

Select all of the events that a very likely, but not certain, to happen.

• Choosing a donut from a box of donuts and having it be a donut.

• Rolling a standard number cube and landing on a 1 or a 2.

• Getting a ticket for driving 120 miles per hour on the highway for the entire trip from Flagstaff to Phoenix.

• Rolling a standard number cube and getting a number greater than 1.

Tags

CCSS.7.SP.C.5

Luke heard that his baseball team team has a 1/2 probability of winning each of their next 8 games. Select all the ways Luke could accurately simulate the number of games the baseball team will win.

• Rolling a number cube eight times and recording the number of times it lands on an odd number.

• Putting the numbers 1 - 8 in a bag. Then pick a number from the bag.

• Marking a spinner with four equal section. Write "win" on two of the section and "lose" on two of the section. Spin the spinner eight times and count the number of times it lands on "win."

• Put 5 white chips and 3 red chips in a bag. Draw a chip from the bag, record its result, and put it back in the bag. Do this eight times and count the number of times a white chip is drawn.

Tags

CCSS.7.SP.C.8C

The basketball coach says that based on Amy's free throws this season, Amy has a 1/4 probability of making each free throw. Select all of the ways Amy could accurately simulate the number of free throws she will make in her first 6 attempts.

• Flip a coin 6 times. Count the number of tails.

• Make a spinner with 6 equally-sized sections, labeled with the numbers 1 through 6. Spin the spinner 6 times and and count how many times the spinner lands on 1 or 4.

• Put 3 red chips and 1 white chip in a bag. Draw a chip from the bag, record the result, and put it back in the bag. Do this 6 times and count the number of white chips drawn.

• Make a spinner with 4 equally-sized sections. Color 3 sections green and one section red. Spin the spinner 6 times and count the number of times the spinner lands on red.

Tags

CCSS.7.SP.C.8C