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Biblioteka

Open Up - Grade 7 - Mathematics - Unit 8 - Lesson 8

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"Source: Open Up Resouces (Download for free at openupresources.org.)"

Pitanje 1
1.

Noah is planning his birthday party. Here is a tree showing all of the possible themes, locations, and days of the week that Noah is considering.

How many themes is Noah considering?

Pitanje 2
2.

Noah is planning his birthday party. Here is a tree showing all of the possible themes, locations, and days of the week that Noah is considering.

How many locations is Noah considering?

Pitanje 3
3.

Noah is planning his birthday party. Here is a tree showing all of the possible themes, locations, and days of the week that Noah is considering.

How many days of the week is Noah considering?

Pitanje 4
4.

Noah is planning his birthday party. Here is a tree showing all of the possible themes, locations, and days of the week that Noah is considering.

One possibility that Noah is considering is a party with a space theme at the skating rink on Sunday.

Write two other possible parties Noah is considering.

Pitanje 5
5.

Noah is planning his birthday party. Here is a tree showing all of the possible themes, locations, and days of the week that Noah is considering.

How many different possible outcomes are in the sample space?

Pitanje 6
6.

For the event, write the sample space and tell how many outcomes there are.

Lin selects one type of lettuce and one dressing to make a salad. Lettuce types: iceberg, romaine Dressings: ranch, Italian, French

Pitanje 7
7.

For the event, write the sample space and tell how many outcomes there are.

Diego chooses rock, paper, or scissors, and Jada chooses rock, paper, or scissors.

Pitanje 8
8.

For the event, write the sample space and tell how many outcomes there are.

Spin these 3 spinners.

Pitanje 9
9.

A simulation is done to represent kicking 5 field goals in a single game with a 72% probability of making each one. A 1 represents making the kick and a 0 represents missing the kick.

Based on these results, estimate the probability that 3 or more kicks are made.(answer as a fraction)

Pitanje 10
10.

There is a bag of 50 marbles.

  • Andre takes out a marble, records its color, and puts it back in. In 4 trials, he gets a green marble 1 time.

  • Jada takes out a marble, records its color, and puts it back in. In 12 trials, she gets a green marble 5 times.

  • Noah takes out a marble, records its color, and puts it back in. In 9 trials, he gets a green marble 3 times.

Estimate the probability of getting a green marble from this bag.(answer as a fraction)