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Lab 16- One Proportion Confidence Intervals Be sure to state all necessary conditions for inference. Problem 1: To study the addictive effects of heroin, researchers for the National Institute on Drug Abuse reported that, in a random sample of 220 heroin users, 23% of them developed an opioid addiction. Create and interpret a 90% confidence interval for the true proportion of heroin users that develop an opioid addiction. inaradomsamplenceintheralfothetrueproportion of heroin users that Problem 2: A statistics professor asked his students whether or not they were registered to vote. In a sample of 50 of his students (randomly sampled from his 700 students), 35 said they were registered to vote. Find a 95% confidence interval for the true proportion of the professor's students who were registered to vote.

Lab 16- One Proportion Confidence Intervals Be sure to state all necessary conditions for inference. Problem 1: To study the addictive effects of heroin, researchers for the National Institute on Drug Abuse reported that, in a random sample of 220 heroin users, 23% of them developed an opioid addiction. Create and interpret a 90% confidence interval for the true proportion of heroin users that develop an opioid addiction. inaradomsamplenceintheralfothetrueproportion of heroin users that Problem 2: A statistics professor asked his students whether or not they were registered to vote. In a sample of 50 of his students (randomly sampled from his 700 students), 35 said they were registered to vote. Find a 95% confidence interval for the true proportion of the professor's students who were registered to vote.

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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Lab 16- One Proportion Confidence Intervals Be sure to state all necessary conditions for inference. Problem 1: To study the addictive effects of heroin, researchers for the National Institute on Drug Abuse reported that, in a random sample of 220 heroin users, 23% of them developed an opioid addiction. Create and interpret a 90% confidence interval for the true proportion of heroin users that develop an opioid addiction. inaradomsamplenceintheralfothetrueproportion of heroin users that Problem 2: A statistics professor asked his students whether or not they were registered to vote. In a sample of 50 of his students (randomly sampled from his 700 students), 35 said they were registered to vote. Find a 95% confidence interval for the true proportion of the professor's students who were registered to vote.
Transcribed Image Text:Lab 16- One Proportion Confidence Intervals Be sure to state all necessary conditions for inference. Problem 1: To study the addictive effects of heroin, researchers for the National Institute on Drug Abuse reported that, in a random sample of 220 heroin users, 23% of them developed an opioid addiction. Create and interpret a 90% confidence interval for the true proportion of heroin users that develop an opioid addiction. inaradomsamplenceintheralfothetrueproportion of heroin users that Problem 2: A statistics professor asked his students whether or not they were registered to vote. In a sample of 50 of his students (randomly sampled from his 700 students), 35 said they were registered to vote. Find a 95% confidence interval for the true proportion of the professor's students who were registered to vote.
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