59 Using samples of 190 credit card statements, an auditor found the following: Use Table-A. Sample Number with errors 1 2 5 3 Sample 1 2 3 4 Click here for the Excel Data File a. Determine the fraction defective in each sample. (Round your answers to 4 decimal places.) 3 4 5 12 Fraction defective b. If the true fraction defective for this process is unknown, what is your estimate of it? (Round your answer to 1 decimal place.) Estimate % c. What is your estimate of the mean and standard deviation of the sampling distribution of fractions defective for samples of this size? (Round your intermediate calculations and final answers to 4 decimal places.)

Using samples of 190 credit card statements, an auditor found the following: Use Table-A. Click here for the Excel Data File a. Determine the fraction defective in each sample. (Round your answers to 4 decimal places.) b. If the true fraction defective for this process is unknown, what is your estimate of it? (Round your answer to 1 decimal place.) c. What is your estimate of the mean and standard deviation of the sampling distribution of fractions defective for samples of this size? (Round your intermediate calculations and final answers to 4 decimal places.)