A simple random sample of 1088 adults between the ages of 18 and 44 is conducted. It

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A simple random sample of 1088 adults between the ages of 18 and 44 is conducted. It is found that 261 of the 1088 adults smoke (based on data from the National Health Interview Survey). Use a 0.05 significance level to test the claim that less than 1/4 of such adults smoke.

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Elementary Statistics

ISBN: 9780321500243

11th Edition

Authors: Mario F. Triola

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