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17 June, 15:22

Explain in a complete sentence what the confidence interval means. We are 95% confident that the mean wait time at the courthouse of the sample of 81 individuals waiting at the courthouse lies within this interval. There is a 95% chance that a wait time at the courthouse lies within this interval. We are 95% confident that the true population mean wait time at the courthouse lies within this interval. We are 95% confident that a wait time at the courthouse lies within this interval.

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  1. 17 June, 15:47
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    The right interpretation for a confidence interval is this:

    "We are 95% confident that the true population mean wait time at the courthouse lies within this interval."

    Step-by-step explanation:

    The right interpretation for a confidence interval is this:

    "We are 95% confident that the true population mean wait time at the courthouse lies within this interval."

    The confidence interval gives us, with a certain degree of confidence (in this case, 95%), a rangee of values within there is a chance (in this case, 95%) that the true population lies within.

    It is inferred from a sample statistic, taking into account the sample mean, standard deviation and size.

    It can not be used to infere probabilities about individual values or sample means.
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