In a survey of 3015 U.S. adults, (80 %) say their household contains a desktop or laptop

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In a survey of 3015 U.S. adults, $80 \%$ say their household contains a desktop or laptop computer.

(a) Construct a 95\% confidence interval for the proportion of U.S. adults who say their household contains a desktop or laptop computer.

(b) A researcher claims that more than $75 \%$ of U.S. adults say their household contains a desktop or laptop computer. At $\alpha=0.05$, can you support the researcher's claim? Interpret the decision in the context of the original claim.

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Elementary Statistics Picturing The World

ISBN: 9781292260464

7th Global Edition

Authors: Betsy Farber, Ron Larson

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Question Posted: May 05, 2024 09:00 AM

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In a survey of 3015 U.S. adults, (80 %) say their household contains a desktop or laptop

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a 0786 0814 b There is enough evidence ...View the full answer

Elementary Statistics Picturing The World

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