Problem $10-5($Algo$)$

Using samples of $190$ credit card statements, an auditor found the following:

Use Table$-$A$.$

Sample $1234$

Number with errors $4268$

Click here for the Excel Data File

e$.$ What alpha risk would control limits of $\mathrm{.}0470$ and $\mathrm{.}0056$ provide? $($Round your intermediate calculations to $4$ decimal places. Round your $"$z$"$ value to $2$ decimal places and "alpha risk" value to $4$ decimal places.$)$