Question

    In a survey of 1,000 people, 40% preferred Brand X, 30%

    preferred Brand Y, and the remaining 30% had no preference. If the survey sample is expanded to 2,500 people, how many additional people are expected to prefer Brand X, assuming the proportions remain the same?
    A 550 Correct Answer Incorrect Answer
    B 600 Correct Answer Incorrect Answer
    C 640 Correct Answer Incorrect Answer
    D 700 Correct Answer Incorrect Answer

    Solution

    Required answer = 40% of 2500 – 40% of 1000 = 40% of 1500 = 600

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