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The proportion of deaths due to lung cancer in males ages 15–64 in England and Wales...

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The proportion of deaths due to lung cancer in males ages 15–64in England and Wales during the period 1970–1972 was 12%. Supposethat of 20 deaths that occur among male workers in this age groupwho have worked for at least 1 year in a chemical plant, 5 are dueto lung cancer. We wish to determine whether there is a differencebetween the proportion of deaths from lung cancer in this plant andthe proportion in the general population. a) State the hypothesesto use in answering this question. b)Is a one-sided or two-sidedtest appropriate here? c)Perform the hypothesis test, and report ap-value.

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3.7 Ratings (309 Votes)
SolutionaState the hypotheses The first step is tostate the null hypothesis and an alternative hypothesisNull hypothesis P 012Alternative hypothesis P 012b Note that these hypotheses constitute a twotailed    See Answer
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