(Expected rate of return and risk) Summerville Inc. is considering an investment in one of two common stocks. Given the informa standard deviation) and return of each? a. The expected rate of return for Stock A is 15%. (Round to two decimal places) The expected rate of return for Stock Bis 9.9%. (Round to two decimal places) b. The standard deviation for Stock Ais % (Round to two decimal places) ing an investment in one of two common stocks. Given the information in the popup window. Es which invest i Data Table COMMON STOCKA COMMON STOCKB PROBABILITY RETURN PROBABILITY RETURN 0.25 12% = 0.15 - 4% 0.50 15% 0.35 6% 18% W 0.35 15% 0.15 21% (Click on the icon located on the top-right comer of the data table above in order to copy its contents into a spreadsheet.) 0.25 Print Done ck