1. The side effects of a new drug are being tested against a placebo. A simple random sample of565 patients yields the results below. At a significance level of ? = 0.10, is there enough evidenceto conclude that the treatment is independent of the side effect of nausea?
Result
Drug
Placebo
Total
Nausea
36
13
49
No nausea
254
262
516
290
275
565
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