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10 March, 10:59

A random sample of college football players had an average height of 64.55 inches. Based on this sample, (63.2, 65.9) found to be a 92% confidence interval for the population mean height of college football players. A. We are 92% confident that the population mean height of college football players is between 63.2 and 65.9 inches. B. We are 92% confident that the population mean height of college football palyers is 64.55 inches. C. A 92% of college football players have height between 63.2 and 65.9 inches. D. There is a 92% chance that the population mean height of college football players is between 63 2 and 65.9 inches.

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  1. 10 March, 11:01
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    A. We are 92% confident that the population mean height of college football players is between 63.2 and 65.9 inches.

    Step-by-step explanation:

    Confidence interval:

    x% confidence

    Of a sample

    Between a and b.

    Interpretation: We are x% sure (or there is a x% probability/chance) that the population mean is between a and b.

    In this question:

    92% confidence interval for the average height of football players is (63.2, 65.9).

    Interpretation: We are 92% sure that the true average height of all college football players, that is, the population mean, is in this interval.

    The correct answer is:

    A. We are 92% confident that the population mean height of college football players is between 63.2 and 65.9 inches.
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