In a clinical trial, 24 out of 881 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 users experience flulike symptoms as a side effect at the α=0.1 level of significance? Because np01−p0=19.819.8 greater than> 10, the sample size is less thanless than 5% of the population size, and the sample can be reasonably assumed to be random, the requirements for testing the hypothesis are satisfied. (Round to one decimal place as needed.) What are the null and alternative hypotheses? H0: pp equals= . 023.023 versus H1: pp greater than> . 023.023 (Type integers or decimals. Do not round.) Find the test statistic, z0. z0=. 82.82 (Round to two decimal places as needed.) Find the P-value. P-value=enter your response here (Round to three decimal places as needed.)

In a clinical trial, 24 out of 881 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 users experience flulike symptoms as a side effect at the α=0.1 level of significance? Because np01−p0=19.819.8 greater than> 10, the sample size is less thanless than 5% of the population size, and the sample can be reasonably assumed to be random, the requirements for testing the hypothesis are satisfied. (Round to one decimal place as needed.) What are the null and alternative hypotheses? H0: pp equals= . 023.023 versus H1: pp greater than> . 023.023 (Type integers or decimals. Do not round.) Find the test statistic, z0. z0=. 82.82 (Round to two decimal places as needed.) Find the P-value. P-value=enter your response here (Round to three decimal places as needed.)

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section: Chapter Questions

Problem 8CR

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Question

In a clinical trial,

out of

881

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 users experience flulike symptoms as a side effect at the

α=0.1

level of significance?

Because

np01−p0=19.819.8

greater than>

10,

the sample size is

less thanless than

5% of the population size, and the sample

can be reasonably assumed to be random,

the requirements for testing the hypothesis

are

satisfied.

(Round to one decimal place as needed.)

What are the null and alternative hypotheses?

H0:

equals=

. 023.023

versus

H1:

greater than>

. 023.023

(Type integers or decimals. Do not round.)

Find the test statistic,

z0.

z0=. 82.82

(Round to two decimal places as needed.)

Find the P-value.

P-value=enter your response here

(Round to three decimal places as needed.)

Definition Definition Number of subjects or observations included in a study. A large sample size typically provides more reliable results and better representation of the population. As sample size and width of confidence interval are inversely related, if the sample size is increased, the width of the confidence interval decreases.

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