help please

Senior management of NanCy's Nooks (NN) has determined there is a 20 percent chance EPS will be $5.50 next year, there is a 60 percent chance EPS will be $4.50, and there is a 20 percent chance EPS will be -54.90. Calculate the expected value, standard ceviation, and coefricient of varlation for NW's forecasted EPS. Do not round intermediste calculations. Round your answers for the expected value and standard deviation to the nearest cent and for the coeffeient of variation to two decimal places. Expected value: 5 Standard deviation: 5 Coefficient of variation