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Calculate 95% confidence interval for the population proportion, Exce

Calculate 95% confidence interval for the population proportion, Exce

MATLAB: An Introduction with Applications
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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Save Ansv A recent survey in Sydney revealed that 88% customers at Coles spend less than 180 dollars for weekly spending on groceries items. Suppose you 'randomly record the spending of 250 customers at Coles. Calculate 95% confidence interval for the population proportion. Excel code for Critical value = NORM.INv(0.975,0,1) =1.96 Show your workings or provide formula functions you have used for calculation. For the toolbar, press ALT F10 (PC) or ALT+FN+F10 (Mac). BIUS Paragraph Open Sans, sa.. 10pt T. v厄白Q aWORDS DELL 江 25°C Haze
Transcribed Image Text:Save Ansv A recent survey in Sydney revealed that 88% customers at Coles spend less than 180 dollars for weekly spending on groceries items. Suppose you 'randomly record the spending of 250 customers at Coles. Calculate 95% confidence interval for the population proportion. Excel code for Critical value = NORM.INv(0.975,0,1) =1.96 Show your workings or provide formula functions you have used for calculation. For the toolbar, press ALT F10 (PC) or ALT+FN+F10 (Mac). BIUS Paragraph Open Sans, sa.. 10pt T. v厄白Q aWORDS DELL 江 25°C Haze
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