solve in excel and please show all steps

27. The Good Chocolate Company makes a variety of chocolate candies, including a 1 ounce chocolate bar (340 gram) and a box of six lance chocolate bars (120 grams) a. Specifications for the 12 cunce bar are 30 grams to 350 grams What is the largest standard deviation in rame that the machine that fills the bar molds can have indstill be considered capable if the averige till 3.10 pruus? b. The machine that fills the bar molds for the time bastandard deviation of Dram. The filling machine is set to deliver an average of 1.01 ounces per bar. Specination for the bat hobeto 10 grums is the process capable out. The wariance for the box is cqual to six times the bar wariance c. What is the lowest setting in ounces for the long nuachine dial will pwide capability in terms of the war