Anybody can help me please

Which statements regarding efg are true? check all that apply.

Afootball is throw by a quarterback to a receiver

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%