Answer the following questions using Minitab software and write your conclusions:

$1-$ The A high$-$level voltage power supply should have a nominal output voltage of $350V.$ A sample of four

units is selected each day and tested for process$-$control purposes. If specifications are at $+-50V,$ what can

you say about process capability?

$2-$ A representative from a sales department purchases pencil from a vendor to give away at trade shows.

Each shipment of pencils has a lot size of $4000$ pencils. The sales representative wants to implement a

sampling plan so that the entire lot of pencils is either accepted or rejected. The sales representative and

the vendor agree that the AQL for the sampling plan is $2\mathrm{.}5\%$ and that the ROL is $11\%.$ Create your

sampling plan for acceptance. What is the Probability of acceptance when the lot percent defective is

$5\mathrm{.}27\%.$