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Illustrative Mathematics - Geometry - Unit 8 - Lesson 9

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Last updated 2 months ago
19 Questions
1.
2.
3.
4.
5.
6.
7.

A student surveys 30 people as part of a project for a statistics class. Here are the survey questions.
  • Are you left-handed or right-handed?
  • Are you left-eye dominant or right-eye dominant?
The results of the survey are summarized in the two-way table.

What is the probability that a person from the survey chosen at random is right-handed under the condition that they are right-eye dominant?

7.NS.2.d
7.NS.2.a
7.NS.2.c
S.CP.4
7.NS.2.b
8.

Priya flips a fair coin and then rolls a standard number cube. What is the probability that she rolled a 3 under the condition that she flipped heads?

7.NS.2.d
7.NS.2.a
7.NS.2.c
S.CP.4
7.NS.2.b
9.
10.
11.
12.
13.
14.
15.
16.
17.

An agriculturist takes 50 samples of soil and measures the levels of two nutrients, nitrogen and phosphorus. In 46% of the samples the nitrogen levels are low and in 28% of the samples the phosphorus levels are low. In 10% of the samples both the nitrogen and the phosphorus levels are low.

What percentage of the samples have nitrogen levels or phosphorus levels that are low?

7.NS.2.d
7.NS.2.a
7.NS.2.c
S.CP.4
7.NS.2.b
18.

Select all of the situations that have a 50% chance of occurring.

7.NS.2.d
7.NS.2.a
7.NS.2.c
S.CP.4
7.NS.2.b
19.

A solid has volume 6 cubic units and surface area 14 square units. The solid is dilated, and the image has surface area 224 square units.

What is the volume of the image?

7.NS.2.d
7.NS.2.a
7.NS.2.c
S.CP.4
7.NS.2.b
This lesson is from Illustrative Mathematics. Geometry, Unit 8, Lesson 9. Internet. Available from https://curriculum.illustrativemathematics.org/HS/teachers/2/8/9/index.html ; accessed 29/July/2021.

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