Grade 7 | Unit 8: Probability and Sampling | Mid-Unit Assessment (A)

Tiles with the numbers 1 through 9 are placed in a bag. What is the probability of choosing an even number that is greater than or equal to 4?

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7.SP.C.8.a

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

• Opening a 300-page book to exactly page 143.

• A second grade classroom contains some books.

• You will roll a 7 on a standard 6-sided number cube.

• Everyone in your school will get to school on time on the next school day.

• A triangle has 3 sides.

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7.SP.C.5

• Roll a standard number cube 5 times. Count the number of 1's and 2's.

• Put the numbers 1 through 5 in a bag. Pick a number from the bag.

• Roll a standard number cube 5 times. Count the number of ones.

• Mark a spinner with 3 equally-sized sections. Write “win” on 2 of the sections. Spin the spinner 5 times and count the number of times it lands on “win.”

• Put 2 white chips and 1 red chip in a bag. Draw a chip from the bag, record its result, and put it back in the bag. Do this 5 times and count the number of red chips drawn.

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7.SP.C.7

7.SP.C.8.c

A movie theater sells 3 different sizes of popcorn: small, medium, and large. An order of popcorn comes with 3 different topping choices: butter, cheese, or caramel. How many unique ways can you order a bag of popcorn? (You can only select one topping.)

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7.SP.C.8.b

Imagine that there is a spinner with 5 equal sections, and also a standard number cube. You spin the spinner and roll the cube. This is a situation that involves 2 parts (the spinner and the cube) and has a total of 30 outcomes in the sample space. Describe a situation that involves 3 parts and has a total of 36 outcomes in the sample space.

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7.SP.C.8.b

Priya is about to spin a spinner like the one shown. 1. Describe an event that is certain to happen on the next spin. 2. Describe an event that is unlikely to happen, but possible, on the next spin. 3. Describe an event that is impossible on the next spin. 4. Describe an event that is likely to happen, but not certain, on the next spin.

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7.SP.C.5

A game uses a special deck of cards with 40 cards numbered from 1 to 40. You draw a card from the shuffled deck. 1. What is the probability of drawing a card that is divisible by 2? Explain your reasoning. 2. What is the probability of drawing a card that is divisible by 5? Explain your reasoning. 3. What is the probability of drawing a card that is divisible by 10? Explain your reasoning.

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7.SP.C.8