Math Practice 101
Homework Explained - Math Practice 101

Dear guest, you are not a registered member. As a guest, you only have read-only access to our books, tests and other practice materials.

As a registered member you can:

Registration is free and doesn't require any type of payment information. Click here to Register.
Go to page:  

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


Please share this page with your friends on FaceBook

Extra Practice

Solve.

  • Question 12 (request help)

    Luther won 12 of the last 20 video games he played. Find the probability of Luther winning the next game he plays.
  • Question 13 (request help)

    Refer to Exercise 12. Suppose Luther plays a total of 60 games with his friends over the next month. Predict how many of these games Luther will win.
  •    games
  • Question 14 (request help)

    Use the graph that shows the number of times teens volunteer.

    a. About 300,000 teens ages 12–14 live in Virginia. Predict the number of teens in this age group who volunteer a few times a year.
  •    teens
  • Question 14 (request help)

    b. Tennessee has about 250,000 teens ages 12–14. Predict the number of teens in this age group who volunteer once a week.
  •    teens
  • Question 14 (request help)

    c. About 240,000 teens ages 12–14 live in Missouri. Predict the number of teens in this age group who volunteer once a year.
  •    teens
  • Question 15 (request help)

    Make a Prediction The probability of Jaden making a free throw is 15%. Predict the number of free throws that he can expect to make if he attempts 40 free throws.
  •    

Draw a line to match each situation with the appropriate equation or proportion.

  • Question 16 (request help)

    27 MP3s is what percent of 238 MP3s?
    • \(n = 27\cdot2.38\)
    • \(\large \frac{27}{100}=\frac{p}{238}\)
    • \(\large \frac{27}{238}=\frac{n}{100}\)
  • Question 17 (request help)

    238% of 27 is what number?
    • \(n = 27\cdot2.38\)
    • \(\large \frac{27}{100}=\frac{p}{238}\)
    • \(\large \frac{27}{238}=\frac{n}{100}\)
  • Question 18 (request help)

    27% of MP3 owners download music weekly. Predict how many MP3 owners out of 238 owners download music weekly.
    • \(n = 27\cdot2.38\)
    • \(\large \frac{27}{100}=\frac{p}{238}\)
    • \(\large \frac{27}{238}=\frac{n}{100}\)

Yes, email page to my online tutor. (if you didn't add a tutor yet, you can add one here)