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Lesson 23 Session 2 Practice

Last updated over 3 years ago

4 questions

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Question 1

1.

Jacob surveys a random sample of 30 students. In Jacob’s sample, 24 students say they will vote for Garrett. Based on this sample, about how many students in the school should Garrett expect to vote for him if there are a total of 230 students in the school?

Question 2

2.

Using Jacob’s surveys, can Garrett know for certain how many students plan to vote for him? Explain why or why not.

Question 3

3.

Question 4

4.

Moses writes a paper on fruit for health class. He surveys a random sample of students at his school about their favorite fruit. In his sample 46 students say strawberries. The other 34 students in his sample say a different fruit. There are 506 students in Moses’s school. Based on the survey, about how many students in the school would say strawberries are their favorite fruit? (Round to the nearest whole number)

Students at a certain high school have to take an arts or technology class. A random sample of 60 students from the high school are surveyed. Each student is asked which class they take. The results are shown below.

Dance-19
Electronics-8
Music-7
Painting-15
Photography-11

Based on the survey results, which of the following statements are true?

There are many excellent dancers at the high school.

About 25% of the students at the high school take painting.

Of every 30 students in the high school, about 11 of them take photography.

Next year, 7 out of every 60 students at the high school will take music