Fas News Hour reported in 2014 that 79.47 of Americans between the ages of 25 and 64 hwe at least a two-year college deqree. Aosume thut 55 Americane between the ages of 25 . and 64 are selecied randomly. (a) What is the expected mumber of people wish at least a two-year colege-degree? x (b) What are the variance and stanularit devestion for the number of people wath at least a two year college deqren? (pound your answers to four decimat places.) variance standard deviation x .