please do 11 a and 11 b

as well as on the accuracy and completeness of your results and 11. The distribution of actual weights of 8-ounce chocolate bars produced by a certain machine is Normal with mean 8.1 ounces and standard deviation 0.1 ounces. Company managers do not want the weight of a chocolate bar to fall below 8 ounces, for fear that consumers will complain. (a) Find the probability that the weight of a randomly selected candy bar is less than 8 ounces. (2) Forty candy bars are selected at random and their mean weight x is computed. (b) Calculate the mean and standard deviation of the sampling distribution of x for samples of size 40. (2)