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(b) It has been claimed that 9 out of 10 doctors recommend aspirin for their patients with Is this claim accurate? Perform a statistical test at the significance level headaches. α = 0.05.

(b) It has been claimed that 9 out of 10 doctors recommend aspirin for their patients with Is this claim accurate? Perform a statistical test at the significance level headaches. α = 0.05.

MATLAB: An Introduction with Applications
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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5. In a survey, 8236 out of 9858 doctors recommend aspirin for for their patients with headaches. Let p denote the percentage of doctors who would recommend aspirin for their patients with headache. (a) Construct a 95% confidence interval for p based on the sample information. (b) It has been claimed that 9 out of 10 doctors recommend aspirin for their patients with headaches. Is this claim accurate? Perform a statistical test at the significance level a = 0.05.
Transcribed Image Text:5. In a survey, 8236 out of 9858 doctors recommend aspirin for for their patients with headaches. Let p denote the percentage of doctors who would recommend aspirin for their patients with headache. (a) Construct a 95% confidence interval for p based on the sample information. (b) It has been claimed that 9 out of 10 doctors recommend aspirin for their patients with headaches. Is this claim accurate? Perform a statistical test at the significance level a = 0.05.
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