Grade 7 McGraw Hill Glencoe - Answer Keys Answer keys Chapter 10: Statistics; Lesson 1: Make Predictions

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Grade 7 McGraw Hill Glencoe - Answer Keys

Chapter 10: Statistics; Lesson 1: Make Predictions

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Question 8 (request help)
Find the Error A survey of a seventh-grade class showed that 4 out of every 10 students are taking a trip during spring break. There are 150 students in the seventh grade. Caitlyn is trying to determine how many of the seventh-grade students can be expected to take a trip during spring break. Find her mistake and correct it.

x =

students

Question 9 (request help)
Persevere with Problems One letter tile is drawn from the bag and replaced 300 times. Predict how many times a consonant will not be picked.

times

Question 10 (request help)
Persevere with Problems A survey found that 80% of teens enjoy going to the movies in their free time. Out of 5,200 teens, predict how many said that they do not enjoy going to the movies in their free time.

teens

Question 11 (request help)
The table shows the results of a survey of seventh-grade students in the lunch line.

If there are 245 seventh graders in the school, how many can be expected to prefer chocolate milk?
- 45
- 84
- 90
- 105