Stuart company's manager believes that economic conditions during the next year will be strong, normal, or weak, and she thinks that the firm's returns will have the probability distribution shown below. what's the standard deviation of the estimated returns? (hint: use the formula for the standard deviation of a population, not a sample.)economicconditions prob. returnstrong 30% 32.0%normal 40% 10.0%weak 30% −16.0%a. 17.69%b. 18.62%c. 19.55%d. 20.52%e. 21.55%

Fractional reserve banking which of the following statements about fractional reserve banking are correct? check all that apply. fractional reserve banking allows banks to create money through the lending process. fractional reserve banking does not allow banks to hold excess reserves. fractional reserve banking allows banks to create additional wealth by lending some reserves. fractional reserve banking relies on everyone not withdrawing their money at the same time.