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30 Jul 2022

In a clinical trial, 23 out of 889 patients taking a prescription drug daily complained of flulike symptoms. Suppose that it is known that 2.3% of patients taking competing drugs complain of flulike symptoms. Is there sufficient evidence to conclude that more than 2.3% of this drug's experience flulike symptoms as a side effect at the = 0.05 level of significance?

 

Because  = ___ 10, the sample size is ________ 5% of the population size, and the sample

______________ the requirements for testing the hypothesis _____________ satisfied.

(Round to one decimal place as needed.)

 

What are the null and alternative hypotheses?

 

: p = 0.023 versus : p > 0.023

(Type integers or decimals. Do not round.)

 

Find the test statistic, .

 = ________ (Round to two decimal places as needed.)

 

Find the P-value.

P-value =  ________ (Round to three decimal places as needed.)

 

Choose the correct conclusion below.

A. Since P-value < , reject the null hypothesis and conclude that there is sufficient evidence that more than 2.3% of the users experience flulike symptoms.