what is the expected standard deviation of stock As returns based on the information presented in the table?

Maple TA Assignment 19, Spring 2019 Remaining Time: 09 09:29:52 Question 1 1 point Number Help What is the expected standard deviation of stock A's returns based on the information presented in the table? Answer as a rate in decimal format so that 12.34% would be entered as .1234 and 0.98% would be entered as .0098. Note that figures in the table are presented in decimal format, not as percentages. Outcome Good Medium Stock A return in outcome 0.5 0.1 0.5 Probability of outcome 0.3 0.4 Number Question 2 1 point