1. In a survey of 1000 people who attend community college, 13% are age 40 or older. (Adapted from American Association of Community Colleges) (a) Construct a 95% confidence interval for the...

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Extracted text: 1. In a survey of 1000 people who attend community college, 13% are age 40 or older. (Adapted from American Association of Community Colleges) (a) Construct a 95% confidence interval for the proportion of people who attend community college that are age 40 or older. (b) A researcher claims that more than 10% of people who attend community college are age 40 or older. At a = 0.05, can you support the researcher's claim? Interpret the decision in the context of the original claim. %3D