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19 October, 13:51

At a certain driver's license testing station only 40% of all new drivers pass the behind-the-wheel test the first time they take it. A sample of 50 new drivers from a certain high school found that 36% of them had passed the test the first time. Which of these numbers is a statistic? Which of these numbers is a parameter?

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  1. 19 October, 14:07
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    Parameter=0.40

    Statistic=0.36

    Step-by-step explanation:

    The population proportion p is the proportion of new drivers passing the behind the wheel test for first time. The parameter is the numerical quantity that describes the population so the parameter here is 40% or 0.40.

    The sample proportion p' is the proportion of 50 new drivers from a high school passing the behind the wheel test for first time. The statistic is the numerical quantity that is calculated from a selected sample so the statistic here is 36% or 0.36.
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