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Mathematics, 04.07.2020 20:01 gracebuffum

In a clinical trial, 21 out of 700 patients taking a prescription drug complained of flulike symptoms. Suppose that it is known that 1.5% of patients taking competing drugs complain of flulike symptoms. Is there sufficient evidence to conclude that more than 1.5% of this drug's users experience flulike symptoms as a side effect at the alpha equals 0.05 level of significance?

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