Homework Explained - Math Practice 101

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Grade 7 McGraw Hill Glencoe - Answer Keys
Chapter 9: Probability; Lesson 5: Fundamental Counting Principle


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Extra Practice

Use the Fundamental Counting Principle to find the total number of outcomes for each situation.

  • Question 13 (request help)

    rolling a number cube and spinning a spinner with eight equal sections

  •    outcomes
  • Question 14 (request help)

    tossing a coin and selecting one letter from the word MATH

  •    outcomes
  • Question 15 (request help)

    selecting one sweatshirt from a choice of five sweatshirts and one pair of pants from a choice of four pairs of pants

  •    outcomes
  • Question 16 (request help)

    selecting one entrée from a choice of nine entrées and one dessert from a choice of three desserts

  •    outcomes
  • Question 17 (request help)

    rolling a number cube and tossing two coins

  •    outcomes
  • Question 18 (request help)

    choosing tea in regular, raspberry, lemon, or peach; sweetened or unsweetened; and in a glass or bottle

  •    outcomes
  • Question 19 (request help)

    A cafeteria offers oranges, apples, or bananas as its fruit option. It offers peas, green beans, or carrots as the vegetable option. Find the number of fruit and vegetable options. If the fruit and the vegetable are chosen at random, what is the probability of getting an orange and carrots? Is it likely or unlikely that a customer would get an orange and carrots?

  •    
  • Question 20 (request help)

    Justify Conclusions The table shows cell phone options offered by a wireless phone company. If a phone with one payment plan and one accessory is given away at random, predict the probability that it will be Brand B and have a headset. Explain your reasoning.

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