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15 April, 19:02

A random sample of college basketball players had an average height of 66.35 inches. Based on this sample, (65.6, 67.1) found to be a 94% confidence interval for the population mean height of college basketball players. Select the correct answer to interpret this interval. A. We are 96% confident that the population mean height of college basketball palyers is 66.35 inches. B. We are 96% confident that the population mean height of college basketball players is between 65.6 and 67.1 inches. C. A 96% of college basketball players have height between 65.6 and 67.1 inches. D. There is a 96% chance that the population mean height of college basketball players is between 65.6 and 67.1 inches.

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  1. 15 April, 19:15
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    B. We are 96% confident that the population mean height of college basketball players is between 65.6 and 67.1 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:

    From a sample of college basketball players, the 96% confidence interval (small typing mistake on the problem I think, the options are all 96%) for the population mean height of college basketball players is (65.6, 67.1).

    Interpretation: We are 96% sure that the true mean of all college basketball players is within this interval.

    So the correct answer is:

    B. We are 96% confident that the population mean height of college basketball players is between 65.6 and 67.1 inches.
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