A certain drug is used to treat asthma. In a clinical trial of the drug, 18 of 282 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. What is the final conclusion? 1-PropZTestprop<0.11z = - 2.477964522p= 0.0066067142p=0.0638297872n = 282A. There is not sufficient evidence to warrant rejection of the claim that less than 11% of treated subjects experienced headaches.- There is not sufficient evidence support the claim that less than 11% of treated subjects experienced headaches.· There is sufficient evidence support the claim that less than 11% of treated subjects experienced headaches.D. There is sufficient evidence to warrant rejection of the claim that less than 11% of treated subjects experienced headaches.B.C.

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Description: A certain drug is used to treat asthma. In a clinical trial of the drug, 18 of 282 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

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

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A certain drug is used to treat asthma. In a clinical trial of the drug, 18 of 282 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. What is the final conclusion?

1-PropZTest
prop<0.11
z = - 2.477964522
p= 0.0066067142
p=0.0638297872
n = 282
A. There is not sufficient evidence to warrant rejection of the claim that less than 11% of treated subjects experienced headaches.
- There is not sufficient evidence support the claim that less than 11% of treated subjects experienced headaches.
· There is sufficient evidence support the claim that less than 11% of treated subjects experienced headaches.
D. There is sufficient evidence to warrant rejection of the claim that less than 11% of treated subjects experienced headaches.
B.
C.

Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

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