Tyler Apiaries sells bees and beekeeping supplies. Bees$($including a$$ queen$)$ are shipped in special packages according to weight. The target weight of a package is $1\mathrm{.}2$ kg$.$Historically$,$ Tyler's shipments have weighed on average $1\mathrm{.}2$kg$,$ with a standard deviation of $\mathrm{.}14$ kg$.$

Part $2$

a$.$ The lower and upper tolerance limits are $\mathrm{.}8$ kg and $1\mathrm{.}6$kg$,$ respectively.