If you hire $22$ workers, how many weeks a year should you expect to use overtime? $[15\mathrm{.}2]$

b$.$ If you hire $18$ workers, how many weeks a year will your workers be underutilized? $[15\mathrm{.}2]$

c$.$ If you are interested in minimizing your labor cost, how many workers should you hire

$($again$,$ assuming your workload forecast is normally distributed$)?[15\mathrm{.}4]$

d$.$ You are now concerned the normal distribution might not be appropriate. For example, you can$$t