How does Hurricane Katrina illustrate the problem with insurance?

Corporation b reported earnings per share of $10. corporation b has 100,000 shares of common stock outstanding and reported an increase in owners' equity of $400,000 for the period. corporation b paid $50,000 in interest expense during the period. corporation b paid dividends per share of

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 is the most compelling reason why mobile advertising is related to big data?