Illustrative Mathematics - Geometry - Unit 8 - Lesson 9
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19 Questions
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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?
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Question 8
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?
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Question 17
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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?
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Question 18
18.
Select all of the situations that have a 50% chance of occurring.
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Question 19
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?
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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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