2. (3 points) ruby jewel scoops ice cream from a half-gallon container. it is known the container has an average of 6 ounces with a standard deviation of 4 ounces. scoops
of ice cream are an average of 5 ounces with a standard deviation of 1.2 ounces. suppose
that they start with a full container of ice cream and take out three scoops. let x be the amount of ice cream remaining. determine e[x] and sd[x] include units.