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 70 percent chance EPS will be $1.00, and there is a 10 percent chance EPS will be -$1.70. Calculate the expected value, standard deviation, and coefficient of variation for NN's forecasted EPS. Do not round intermediate calculations. Round your answers for the expected value and standard deviation to the nearest cent and for the coefficient of variation to two decimal places.

Expected value: $

Standard deviation: $

Coefficient of variation: