An Economist Is Interested in Studying the Incomes of Consumers

question 50

Multiple Choice

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 upper end point in a 99% confidence
Interval for the average income?

• A) $15,052
• B) $15,141
• C) $15,330
• D) $15,364