Evaluating Piecewise Functions from a Graph
Consider the piecewise-defined function given by the
graph. What are these values?
f(-3) =
f(-1) =
f(3) =

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%