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sandyrose935
23.06.2021 •
Mathematics
A researcher wants to estimate the proportion of depressed individuals taking a new anti-depressant drug who find relief. A random sample of individuals who had been taking the drug is questioned; of them found relief from depression. Based upon this, compute a confidence interval for the proportion of all depressed individuals taking the drug who find relief. Then find the lower limit and upper limit of the confidence interval.
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Ответ:
The answer is "(0.7322,0.8234)".
Step-by-step explanation:
please find the complete question in the attached file.
The sample has 225 persons, thus n = 225. Of these 175 people, the sample proportion was decreased through depression
So z-value is 1.645 for an interval of 90%. The 90% trust interval will be
The confidence interval therefore is 90% (0.7322,0.8234).
The 90% confidence interval's lower limit is 0.7322.
The 90% confidence interval is 0.8234 at its upper limit.
Ответ:
2 A
Step-by-step explanation: