Math Practice 101
Homework Explained - Math Practice 101

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Grade 7 HMH Go Math - Answer Keys


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  Guided Practice  

At a school fair, you have a choice of randomly picking a ball from Basket A or Basket B. Basket A has 5 green balls, 3 red balls, and 8 yellow balls. Basket B has 7 green balls, 4 red balls, and 9 yellow balls. You can win a digital book reader if you pick a red ball.

  • Question 1 (request help)

    Complete the chart. Write each answer in simplest form.
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  • Question 2 (request help)

    Which basket should you choose if you want the better chance of winning?
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A spinner has 11 equal-sized sections marked 1 through 11. Find each probability.

You roll a number cube once.

  • Question 5 (request help)

    What is the theoretical probability that you roll a 3 or 4?
  • Question 6 (request help)

    Suppose you rolled the number cube 199 more times. Would you expect the experimental probability of rolling a 3 or 4 to be the same as your answer to Exercise 5?
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  Essential Question Check-In  

  • Question 7 (request help)

    How can you find the probability of a simple event if the total number of equally likely outcomes is 20?
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