with formula please

S points Save Answer Sarah is looking at her prospects of selling her investment she made 3 years ago, below is the details of her average returns for the last 5 years. Annual Rate of Year Return O 1 8% 2 9% 3 7% 4 -10% 5 6% a) Calculate the Arithmetic Average b) Calculate the Geometric Average Sara Also holds stocks of Xyz Corp. and wants to find out the Risk and return with the following details below: Rate of Return Probability 20% 0.2 8 10% 0.3 871 0.1 D -21 0.2 E 0.2 Calculate the Expected return of XY Corp. for Sara. Calculate the standard Deviation of xyz Corp. A C For the bootar, press ALTF10 (PC or ALTINF10 Mac)