You wish to estimate, with 99% confidence, the population proportion of U.S. adults who support labeling legislation

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You wish to estimate, with 99% confidence, the population proportion of U.S. adults who support labeling legislation for genetically modified organisms (GMOs). Your estimate must be accurate within 2% of the population proportion.

(a) No preliminary estimate is available. Find the minimum sample size needed.

(b) Find the minimum sample size needed, using a prior survey that found that 75% of U.S. adults support labeling legislation for GMOs.

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Elementary Statistics Picturing The World

ISBN: 9780134683416

7th Edition

Authors: Ron Larson, Betsy Farber

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Question Posted: May 15, 2019 11:23 AM

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You wish to estimate, with 99% confidence, the population proportion of U.S. adults who support labeling legislation

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a b c Having an estimate of ...View the full answer

Elementary Statistics Picturing The World

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