According to a study, 76% of adults ages 1829 years had broadband Internet access at home in
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According to a study, 76% of adults ages 18–29 years had broadband Internet access at home in 2011. A researcher wanted to estimate the proportion of undergraduate college students (18–23 years) with access, so she randomly sampled 180 undergraduates and found that 157 had access. Estimate the true proportion with 90% confidence.
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The true proportion with 90 confidence is The zscore 157153sqrt180179180 067 Si...View the full answer
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Elementary Statistics A Step By Step Approach
ISBN: 9780077665807
9th Edition
Authors: Allan G. Bluman
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