Salma wants to estimate the mean waiting time at a bank in Abu Dhabi. A random sample of 20 customers yielded a mean of 5.4 minutes and a standard deviation of 2.4 minutes. Given that the waiting time is normally distributed, which distribution should be used to construct the confidence interval? Ot distribution with 20 degrees of freedom. ONeither t nor standard normal distribution. Ot distribution with 19 degrees of freedom. O Standard normal distribution.
Salma wants to estimate the mean waiting time at a bank in Abu Dhabi. A random sample of 20 customers yielded a mean of 5.4 minutes and a standard deviation of 2.4 minutes. Given that the waiting time is normally distributed, which distribution should be used to construct the confidence interval? Ot distribution with 20 degrees of freedom. ONeither t nor standard normal distribution. Ot distribution with 19 degrees of freedom. O Standard normal distribution.
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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