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    Question

    Determine the percentage of people (males and females

    combined) who tested negative for corona when 1200 males and 800 females were tested, with 45% of males and 60% of females testing positive for the disease.
    A 45% Correct Answer Incorrect Answer
    B 25% Correct Answer Incorrect Answer
    C 50% Correct Answer Incorrect Answer
    D 49% Correct Answer Incorrect Answer
    E none of these Correct Answer Incorrect Answer

    Solution

    ATQ, Number of males who were tested negative = 0.55 × 1200 = 660 Number of females who were tested negative = 0.4 × 800 = 320 Required percentage = {(660 + 320)/2000} × 100 = 49%

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