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8.2 Estimating Likelihood

8.2 Estimating Likelihood
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  • Math Help

    Here is another way to represent the responses in Example 4. The graph below is called a Pareto chart. A Pareto chart is a bar graph with the bars ordered in decreasing height with the tallest bar at the left. This helps highlight important data and is used frequently in business. A Pareto chart is a common type of information design. (Information design is the presentation of data and information so that people can understand and use it. You can learn more about information design in Section 9.1.)

  • Consumer Suggestion

    Most fast-food restaurants focus on serving food that is economical, convenient and good-tasting. Some of these restaurants are now offering healthier options on their menus. To find the nutrition information of the menu items from your favorite fast-food restaurant, visit the restaurant’s website, or request the information next time you order food there.

  • Checkpoint Solution
    1. 334 of the 418 people in the 18-34 age group said they would buy the sandwich.

      So, a person between the ages of 18 and 34 is likely to buy the sandwich.

    2. 359 of the 418 non-customers said they would buy the sandwich.

      So, someone who is not a current customer is very likely to buy the sandwich.

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