Suppose we want to estimate the concentration (ug/mL) of a specific dose of ampicillin in the urine after various periods of time. We recruit 25 volunteers who have received ampicillin and find they have a mean concentration of 7.0 µg/mL with a standard deviation of 2.0 ug/mL. Assume the underlying population distribution of concentrations is normally distributed. a) Find a 95% CI for the population mean concentration. b) Find a 99% CI for the population variance of the concentrations. c) How large a sample would be needed to ensure that the length of the CI in part (a) is 0.5 ug/mL assuming the sample standard deviation remains at 2.0 ug/mL?

Suppose we want to estimate the concentration (ug/mL) of a specific dose of ampicillin in the urine after various periods of time. We recruit 25 volunteers who have received ampicillin and find they have a mean concentration of 7.0 µg/mL with a standard deviation of 2.0 ug/mL. Assume the underlying population distribution of concentrations is normally distributed. a) Find a 95% CI for the population mean concentration. b) Find a 99% CI for the population variance of the concentrations. c) How large a sample would be needed to ensure that the length of the CI in part (a) is 0.5 ug/mL assuming the sample standard deviation remains at 2.0 ug/mL?

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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