Given: Four samples of 200 credit card statements each were taken and the number with errors recorded as shown below: a. Determine the fraction (proportion) defective for each sample. Round all values to a maximum of four decimals. b. Estimate the mean and the standard distribution of the sampling distribution. Round all values to a maximum of four decimals. c. Determine control limits for an alpha risk of .03. Round all p-Chart control limits to four decimals. d. Determine the alpha risk provided by control limits of .047 and .003