A random sample of 16 pharmacy customers showed the waiting times below (in minutes). 17 18 16 20 20 12 19 19 15 27 14 23 15 25 18 20 Find a 90 percent confidence interval for μ, assuming that the sample is from a normal population.

A random sample of 16 pharmacy customers showed the waiting times below (in minutes). 17 18 16 20 20 12 19 19 15 27 14 23 15 25 18 20 Find a 90 percent confidence interval for μ, assuming that the sample is from a normal population.

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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Question

A random sample of 16 pharmacy customers showed the waiting times below (in minutes).

17	18	16	20	20	12	19	19
15	27	14	23	15	25	18	20

Find a 90 percent confidence interval for μ, assuming that the sample is from a normal population. (Round your standard deviation answer to 4 decimal places and t-value to 3 decimal places. Round your answers to 3 decimal places.)

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