In a sample of 30 observations the number of successes equals 18. a. Construct the 88% confidence
Question:
a. Construct the 88% confidence interval for the population proportion of successes.
b. Construct the 98% confidence interval for the population proportion of successes.
c. What happens to the margin of error as you move from an 88% confidence interval to a 98% confidence interval?
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n 30 p 18 30 06 a We use 012 to find z 006 1555 The 88 confiden...View the full answer
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Related Book For 
Essentials Of Business Statistics Communicating With Numbers
ISBN: 9780078020544
1st Edition
Authors: Sanjiv Jaggia, Alison Kelly
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