Q3 c) A sample of 100 shoppers chosen at random from all shoppers in a given province indicated that 55% of them preferred a particular store (Shoprite). i. Find a 95% confidence interval for the proportion of all the shoppers that preferred Shoprite. ii. How large a sample of shoppers should we take in order to be 95% confident that the shoppers will buy from Shoprite?

Q3 c) A sample of 100 shoppers chosen at random from all shoppers in a given province indicated that 55% of them preferred a particular store (Shoprite). i. Find a 95% confidence interval for the proportion of all the shoppers that preferred Shoprite. ii. How large a sample of shoppers should we take in order to be 95% confident that the shoppers will buy from Shoprite?

Name: Q3 c)A sample of 100 shoppers chosen at random from all shoppers in a
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Description: Q3 c)A sample of 100 shoppers chosen at random from all shoppers in a given provinceindicated that 55% of them preferred a particular store (Shoprite). i. Find a 95% confidence interval for the proportion of all the shoppers that preferred Shoprite.i

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section: Chapter Questions

Problem 8CR

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