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Section 10.2 Homework Question 7
Section 10.2 Homework
7. In a clinical trial, 18 out of 835 patients taking a prescription drug daily complained of flulike symptoms. Suppose that it is known that 1.9% of patients taking competing drugs complain of flulike symptoms. Is there sufficient evidence to conclude that more than 1.9% of this drug’s users experience flulike symptoms as a side effect at the á=0.1 level of significance?
What are the null and alternative hypotheses?
Find the test statistic, .
Find the P-value. P-value =
(Round to three decimal places as needed.)
Choose the correct conclusion below.
- Since P-value<á, do not reject the null hypothesis and conclude that there is sufficient evidence that more than 1.9% of the users experience flulike symptoms.
- Since P-value>á, reject the null hypothesis and conclude that there is not sufficient evidence that more than 1.9% of the users experience flulike symptoms.
- Since P-value<á, reject the null hypothesis and conclude that there is sufficient evidence that more than 1.9% of the users experience flulike symptoms.
- Since P-value>á, do not reject the null hypothesis and conclude that there is not sufficient evidence that more than 1.9% of the users experience flulike symptoms.