Suppose That the Probability That a Person Between the Ages

question 17

Multiple Choice

Suppose that the probability that a person between the ages of 19 and 24 checks their dailyhoroscope is 0.12. If 400 randomly selected people between the ages of 19 and 24 were asked "Doyou check your daily horoscope?", would you be surprised if 63 or more said yes to this question?Why?

• A) Cannot be determined with the given information.
• B) No, 63 is within the expected range of people.
• C) Yes, 63 would be an unusually large number of people given the known probability of 0.12.
• D) Yes, 63 would be an unusually small number of people given the known probability of 0.12.

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