Acar manufacturer estimates that 25% of the new cars sold in one city have defective engine
mounts.
if 2,688 new cars are sold in that city, about how many will have defective engine mounts?

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%