Suppose the government is considering penalizing airlines $27,500 per passenger each time passengers are made to remain on the plane on the tarmac for more than three hours before a flight. True or False: The threat of this fine incentivizes airlines to cancel fewer flights than before.

In a chapter 7 bankruptcy, a debtor:

Stocks a, b, and c are similar in some respects: each has an expected return of 10% and a standard deviation of 25%. stocks a and b have returns that are independent of one another; i.e., their correlation coefficient, r, equals zero. stocks a and c have returns that are negatively correlated with one another; i.e., r is less than 0. portfolio ab is a portfolio with half of its money invested in stock a and half in stock b. portfolio ac is a portfolio with half of its money invested in stock a and half invested in stock c. which of the following statements is correct? a. portfolio ab has a standard deviation that is greater than 25%.b. portfolio ac has an expected return that is less than 10%.c. portfolio ac has a standard deviation that is less than 25%.d. portfolio ab has a standard deviation that is equal to 25%.e. portfolio ac has an expected return that is greater than 25%.

Which of the following statements about nonverbal communication is most accurate? a. the meanings of some gestures can vary among cultures b. the way an e-mail, letter, memo, or report looks can have either a positive or a negative effect on a receiver c. the manner in which we structure and use time can reveal our personalities and attitudes d. all statements are accurate