A5 inch tall bamboo shoots double in height every 3 days if the equation equals y=ab^x where x is a number of doubling periods represent the height of the bamboo shoot what are the values of a and b

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%