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Noteables Interactive Study Notebook (26491.0K) - McGraw-Hill ...

Noteables Interactive Study Notebook (26491.0K) - McGraw-Hill ...

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7–6 Making PredictionsMAIN IDEA• Predict the actions ofa larger group using asample.BUILD YOUR VOCABULARY (pages 169–170)A survey is a question or set of questions designed to collectdata about a specific group of people.The population is thesurvey.being studied in aA sample is a randomly selected group that is surveyed torepresent a whole .EXAMPLES Make Predictions Using ProportionsJulia asked every sixth person in the school cafeteria toname the kind of activity he or she would like to do forthe school’s spring outing.Spring OutingCopyright © Glencoe/<strong>McGraw</strong>-<strong>Hill</strong>, a division of The <strong>McGraw</strong>-<strong>Hill</strong> Companies, Inc.ActivityStudentsamusement park 15baseball game 10water park 10art museum 5What is the probability that a student will prefer anamusement park?P(amusement park) ==number of students thatprefer an amusement park ______number of students surveyedSo, the probability that a student will prefer an amusementpark is .Math Connects, Course 1 185

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