A certain drug is used to treat asthma. In a clinical trial of the drug, 15 of 293 treated subjects experienced headaches (based on data from the manufacturer). The accompanying calculator display shows results from a test of the claim that less than 11% of treated subjects experienced headaches. Use the normal distribution as an approximation to the binomial distribution and assume a 0.05 significance level to complete parts (a) through (e) below.- Two-tailed test**b. What is the test statistic?**\( z = -3.22 \) (Round to two decimal places as needed.)**c. What is the P-value?**P-value = ☐ (Round to four decimal places as needed.)---**Calculator Display Explanation:**The display shows the results of a one-proportion z-test:- **prop < 0.11**: The alternative hypothesis tested is that the proportion is less than 0.11.- **z = -3.217067115**: The calculated z-test statistic is approximately -3.22, which indicates how far the sample proportion is from the hypothesized proportion under the null hypothesis.- **p = 0.0006475415**: This is the P-value of the test, which indicates the probability of observing a test statistic as extreme as, or more extreme than, the observed value under the null hypothesis.- **p̂ = 0.0511945392**: The observed sample proportion, calculated as 15 divided by 293.- **n = 293**: The total number of subjects in the sample.

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Description: A certain drug is used to treat asthma. In a clinical trial of the drug, 15 of 293 treated subjects experienced headaches (based on data from the manufacturer). The accompanying calculator display shows results from a test of the claim that less tha

From the given claim, it can be observed that the test is left tailed.

Answered: Two-tailed test b. What is the test…

Math

Statistics

Two-tailed test b. What is the test statistic? z = - 3.22 (Round to two decimal places as needed.) c. What is the P-value? P-value = [ (Round to four decimal places as needed.)

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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