Identify a horizontal or vertical stretch or compression of the function ƒ(x) = x^2 by observing the equation of the function g(x)=(1/4x)^2

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%