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Background: your factory is producing Lots $($Batches$)$ of Plastic Widgets that fall under a Letter K sample size Code Letter.

For an AQL level of $4\mathrm{.}0,$ you only want to fail $5\%$ of all batches produced.

If you inspect a batch with $100$ parts, what is the maximum projected $\%$ nonconformities you should expect too see, and still meet the above criteria?

$($Hint#$1$: You need to interpolate between values!$)$

Hint #$2$: use the Table X$-$K$-1-$ Tabulated Values for Operating Characteristic Curves for Single Sampling Plans chart for this question

$($ Give your answer as a percentage to two decimal places. Do NOT include the percent symbol$).$

Answer: