When inputting an answer, round your answer to the nearest 2 decimal places (for VARIANCE round to 4 decimal places). If you need to use a calculated number for further calculations, DO NOT round until after all calculations have been completed. For the final answer, Round to 2 decimal places (for VARIANCE round to 4 decimal places). Q2) A stock had the following annual retums: 10.86%,20.87%,22.66%, and 15.25%. What is the stock's: a) expected retum? (1 point) What is the stock's: b) variance? (1 point) What is the stock's: c) standard deviation? ( 1 point)