________ demonstrates that we respect the insights that others in the community offer us

"Angels":

A) are hard investors to please. Nearly 70% are dissatisfied with their investment. B) tend to be easy to get money from as they accept nearly 60% of the opportunities presented. C) have an average of $150,000 invested in 3.5 firms at any given time. D) only finance deals requiring over $1 million in capital.

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?

A) n = 40 B) n = 1537 C) n = 385 D) n = 20