An on-line retailing firm conducts a study into the number of on-line purchases of footwear made during all of last year. The study wants to determine the proportion of Australians over the age of 25 who purchase footwear on- line. The managing director of the on-line retailing firm believes this proportion of Australians is 32%. A random sample of 117 Australians over the age of 25 is selected. If the managing director's claim is true, what is the sampl proportion value below which 10% of all sample proportions would exist? Express your answer correct to two decimal places.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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An on-line retailing firm conducts a study into the number of on-line purchases of footwear made during all of last
year. The study wants to determine the proportion of Australians over the age of 25 who purchase footwear on-
line. The managing director of the on-line retailing firm believes this proportion of Australians is 32%. A random
sample of 117 Australians over the age of 25 is selected. If the managing director's claim is true, what is the sample
proportion value below which 10% of all sample proportions would exist? Express your answer correct to two
decimal places.
Transcribed Image Text:An on-line retailing firm conducts a study into the number of on-line purchases of footwear made during all of last year. The study wants to determine the proportion of Australians over the age of 25 who purchase footwear on- line. The managing director of the on-line retailing firm believes this proportion of Australians is 32%. A random sample of 117 Australians over the age of 25 is selected. If the managing director's claim is true, what is the sample proportion value below which 10% of all sample proportions would exist? Express your answer correct to two decimal places.
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