An automatic cookie machine at ACM, Inc. must deposit a specified amount of $25`0\mathrm{.}3$ grams $($g$)$ of dough for each cookie on a conveyor belt. It costs $$0\mathrm{.}03$ to scrap a defective cookie. A sample of $50$ cookies was drawn from the production pro$-$ cess, which has been determined to be approxi$-$ mately normally distributed, and the results, in grams, can be found in worksheet tab Prob. $7-12$ in the Excel file C$07$Data