Illustrative Math - Algebra 2 - Unit 7 - Lesson 6
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9 Questions
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A normal curve with a mean of 500 and a standard deviation of 100 is shown. Shade the region under the curve within one standard deviation of the mean. How much of the data falls within the shaded region?
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The stopping distance of a certain car traveling at 60 miles per hour follows an approximately normal distribution with a mean of 130 feet and a standard deviation of 5 feet.
Approximately what percent of the time does the car stop at a distance of between 120 feet and 140 feet?
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8.
Two curves representing normal distributions are shown. Does the solid curve or dashed curve have a greater standard deviation? Explain how you know.
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9.
Why is it important to randomly assign people to random groups in an experimental study?
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This lesson is from Illustrative Mathematics. Algebra 1, Unit 7, Lesson 6. Internet. Available from https://curriculum.illustrativemathematics.org/HS/teachers/3/7/6/index.html ; accessed 29/July/2021.
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