Homework Explained - Math Practice 101

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Grade 8 HMH Go Math - Answer Keys
Chapter 15:Two-Way Tables; Lesson 1: Two-Way Frequency Tables

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Guided Practice

  • Question 1 (request help)

    In a survey of 50 students, 60% said that they have a cat. Of the students who have a cat, 70% also have a dog. Of the students who do not have a cat, 75% have a dog. Complete the two-way table.

    a. Enter the total number of students surveyed in the bottom right cell of the table.

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  • Question 2 (request help)

    The results of a survey at a school are shown. Is there an association between being a boy and being left-handed? Explain.



  • Question 3 (request help)

    Voters were polled to see whether they supported Smith or Jones. Can you construct a two-way table of the results? Why or why not?


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