Can you help me solve the standard deviation in paper please

Expected rate of return and risk) Syntes, Inc. is considering an moesten in one of the common tool. Cuen the tomaton hat folours, which mert a tener tied to me as mensued by the standart tiskan are return? 015 Common Stock A Common Stock Probability Return Probability Return 10.00 121 0.00 16 0.35 0.35 35 15 0.15 contecendo y como Over the info on in the table the expected to turn for Andres Thordation of the decedences