Math Practice 101
Homework Explained - Math Practice 101

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Grade 7 McGraw Hill Glencoe - Answer Keys
Chapter 9: Probability; Lesson 3: Probability of Compound Events


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  • Question 7 (request help)

    Persevere with Problems The following is a game for two players.

    • Three counters are labeled according to the table at the right.
    • Toss the three counters.
    • If exactly 2 counters match, Player 1 scores a point. Otherwise, Player 2 scores a point.

    Find the probability that each player scores a point.
  • Type below:

H.O.T. Problems Higher Order Thinking

  • Question 8 (request help)

    Persevere with Problems Refer to Exercise 7. Do the two players both have an equal chance of winning? Explain.
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  • Question 9 (request help)

    Find the Error Caitlyn wants to determine the probability of guessing correctly on two true-false questions on her history test. She draws the tree diagram below using C for correct and I for incorrect. Find her mistake and correct it.
  • Type below:

Standardized Test Practice

  • Question 10 (request help)

    A coffee shop offers 2 types of coffee: regular and decaffeinated; 3 types of flavoring: vanilla, hazelnut, and caramel; and 2 choices of topping: with or without whipped cream. How many possible choices are there?
    • 12 choices
    • 14 choices
    • 16 choices
    • 18 choices

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