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Business, 20.12.2019 02:31 chrisssrutter

An economist is interested in studying the incomes of consumers in a particular country. the population standard deviation is known to be $1,000. a random sample of 50 individuals resulted in a mean income of $15,000. what is the width of the 90% confidence interval?
answer

a. 232.60
b. 364.30
c. 465.23
d. 728.60

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