Use 5 decimal places for intermediate calculations, and round your final answers to 3 decimal places, cec The weights of a random sample of pet food bags that we supposed to weigh 10 pounds aro given below. Aisume the population is normaly distributed. 9.6​10​10.4​95​10.1​9.9​ (a) Find the sample variance. (B) Find a 99% confidence interval for the variance of the weight of the bags: <σ2