Math Practice 101
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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Independent Practice

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

  • Question 1 (request help)

    choosing a bagel with one type of cream cheese from the list shown in the table
  •    outcomes
  • Question 2 (request help)

    choosing a sandwich and a side from the list shown in the table
  •    outcomes
  • Question 3 (request help)

    picking a month of the year and a day of the week
  •    outcomes
  • Question 4 (request help)

    choosing from a comedy, horror, or action movie each shown in four different theaters
  •    outcomes
  • Question 5 (request help)

    Find the number of possible routes from Eastland to Johnstown that pass through Harping. Then find the probability that State and Fairview will be used if a route is selected at random. State the probability as a fraction and percent.
  • Type below:
  • Question 6 (request help)

    Find the number of possible choices for a 2-digit password that is greater than 19. Then find the number of possible choices for a 4-digit Personal Identification Number (PIN) if the digits cannot be repeated.
  • Type below:
  • Question 7 (request help)

    An electronics company makes educational apps for 5 subjects, including math. The app has 10 versions, with a different avatar in each version. One version has an avatar that looks similar to a lion. The company is randomly giving free apps to its customers. Find the probability of randomly receiving a math app with a lion avatar. How likely is the probability of receiving this app at random?
  • Lion avatar:   % probability

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