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 total sample size would the economist need to use for a 95% confidence interval if the width of the interval should not be more than $100

Ineed : ): will mark brainliest! describe sinek's golden circle. what does he use this for? sinek argues that "people don't buy 'what' you do; people buy 'why' you do it." what does he mean by this? do you agree or disagree with him? why? what are the advantages of hiring people who share the same beliefs and visions in terms of the company's 'why' or purpose? why wasn't tivo successful as a company? what is the difference between leaders and those who lead? how does safety contribute to trust and cooperation? what are some ways that leaders can make the company environment safe? what are the advantages of companies where employees feel safe and protected?

10. which of the following is true regarding preretirement inflation? a. defined-benefit plans provide more inflation protection than defined-contribution plans. b. because of preretirement inflation, possible investment-related growth is increased for defined-contribution plans. c. all types of benefits are designed to cope with preretirement inflation. d. preretirement inflation is generally reflected in the increase in an employee's compensation level over a working career.

Asmartphone manufacturing company uses social media to achieve different business objectives. match each social media activity of the company to the objective it the company achieve.