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raywalker3410
09.12.2019 •
Mathematics
Suppose you are interested in investigating the factors that affect the prevalence of tuberculosis among intravenous drug users.in a group of 97 individuals who admit to sharing needles, 24 had a positive tuberculin skin test result; among 161 drug users who deny sharing needs, 28 had a positive test result.
is thare a significant difference in the proportion with a positive tuberculin skin test among those who admit to sharing needles versus those who deny sharing needles? a) is a one-sample or two-sample test more appropriate? why? b) state the null and alternative hypotheses.c) what is the most appropriate test to use? why? d) what are the assumptions of the test you selected? confirm that they are met.
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Ответ:
Y= Time
12÷3=4
I hope this helped.