Abank wishing to increase its customer base advertises that it has the fastest service and that virtually all of its customers are served in less than 11 minutes. a management scientist has studied the service times and concluded that service times are exponentially distributed with a mean of 6 minutes. determine what the bank means when it claims 'virtually all' its customers are served in under 11 minutes.

Which certificate is the lowest level certification that a personal finance manager requires to sell mutual funds, trusts, and variable annuities? a. series 2 b. series 6 c. series 5 d. series 7 e. series 8

The balance sheet contains the following major sections: current assets long-term investments property, plant, and equipment intangible assets other assets current liabilities long-term liabilities contributed capital retained earnings accumulated other comprehensive income required: the following is a list of accounts. using the letters a through j, indicate in which section of the balance sheet each of the accounts would be classified. if an account does not belong under one of the sections listed, select "not under any of the choices" from the classification drop down box. for all accounts, indicate if the account is a contra account or an account that would normally be deducted on the balance sheet by selecting "yes" from the second drop down box, otherwise select "no". account classification contra or deducted (yes/no) 1. cash 2. bonds payable (due in 8 years) 3. machinery 4. deficit 5. unexpired insurance 6. franchise (net) 7. fund to retire preferred stock 8. current portion of mortgage payable 9. accumulated depreciation 10. copyrights 11. investment in held-to-maturity bonds 12. allowance for doubtful accounts 13. notes receivable (due in 3 years) 14. property taxes payable 15. deferred taxes payable 16. additional paid-in capital on preferred stock 17. premium on bonds payable (due in 8 years) 18. work in process 19. common stock, $1 par 20. land 21. treasury stock (at cost) 22. unrealized increase in value of available-for-sale securities

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%.