6a - 4.4 Lesson 5 - Making Predictions of Populations

Math Response

What fraction of the students in the random sample have a reaction time less than 0.4 seconds?

Type answer here

Correct Answer: \frac{11}{16}

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Multiple Choice

What percentage of the students in the random sample have a reaction time more than 0.4 seconds?

• 22%

• 3.125%

• 10%

• 31.25%

​

​How many students would you expect to have a reaction time less than 0.4 seconds?

​live whiteboard

​set up a proportion!

Match

Match the following.

• $$\frac{1}{5}$$

• $$17\%$$

• $$20\%$$

• $$\frac{17}{100}$$

Fraction of students surveyed by Taylor who would dye their hair blue.

Percentage of students surveyed by Kiran who would dye their hair blue.

Percentage of students surveyed by Taylor who would dye their hair blue.

Fraction of students surveyed by Kiran who would dye their hair blue.

• Fraction of students surveyed by Taylor who would dye their hair blue.

• Percentage of students surveyed by Kiran who would dye their hair blue.

• Percentage of students surveyed by Taylor who would dye their hair blue.

• Fraction of students surveyed by Kiran who would dye their hair blue.

​Based on the last questions data, how many students out of 500 would Taylor and Kiran predict to dye their hair blue?

​Taylor's prediction:

​Kiran's prediction:

Math Response

The table shows data collected from 105 of the 7th grade students that were asked who they would be voting for. If 665 seventh graders plan to vote, how many would you expect to vote for Lin?

Type answer here

Correct Answer: 266

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Math Response

The table shows data collected from 105 of the 7th grade students that were asked who they would be voting for. If 665 seventh graders plan to vote, how many would you expect to still be undecided?

Type answer here

Correct Answer: 209

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