Answered: 1) Estimate standard enror of the mean…

1) Estimate standard enror of the mean 2) Find 95%. confidence intorval for the population mean. TWO-sided critical 2 valUes: 1.96 tor alpna =.05 2.58 for alonaa= .0]

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 local police department attempted to estimate the average rate of speed (M) of vehicles along a strip of Main Street. With hidden radar, the speed of a random selection of 36 vehicles has measured. which yielded sample mean of 42 mph and a known population standard deviation of 6 mph.

1) Estimate standard enror of the mean
2) Find 95%. confidence intorval for the population
mean.
TWO-sided critical 2 values:
1.94 tor alpha =.05
2.58 for alona= .0|

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