According to Unilever's market research, from a sample of 500 respondents, 40% of them use Dove soaps. Based on this information, the marketing manager wants to develop a 99% confidence interval for the population proportion of people who use Dove soaps. What is the interval? (0.399, 0.400) O (0.343, 0.456) (0.005, 2.576) O (0.378, 0.421)
According to Unilever's market research, from a sample of 500 respondents, 40% of them use Dove soaps. Based on this information, the marketing manager wants to develop a 99% confidence interval for the population proportion of people who use Dove soaps. What is the interval? (0.399, 0.400) O (0.343, 0.456) (0.005, 2.576) O (0.378, 0.421)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Transcribed Image Text:According to Unilever's market research, from a sample of 500 respondents, 40% of
them use Dove soaps. Based on this information, the marketing manager wants to
develop a 99% confidence interval for the population proportion of people who use
Dove soaps. What is the interval?
(0.399, 0.400)
O (0.343, 0.456)
(0.005, 2.576)
O (0.378, 0.421)
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