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Margaret Alves is tutoring Timothy Johnson, who is taking introductory accounting. Margaret explains to Timothy that debits are used to record increases in accounts and credits record decreases. Timothy is confused and seeks your advice. Requirements
- When are debits increases? When are debits decreases?
- When are credits increases? When are credits decreases?
A production facility produces 100 units per hour and uses an chart to monitor its quality. The control limits are set at 3 standard errors from the mean. When the process goes out of control, it usually shifts the mean by 1.5 standard deviations. Sampling is conducted once per hour with a sample size of 3. On average, how many units will be produced until the control chart signals that the process is out of control when it is under control?
A survey of 1,520 American adults asked, "Do you feel overloaded with too much information?" The results indicate that 134 of 304 females feel information overload compared to 651 of 1,216 males. Construct a 95% confidence interval estimate of the population proportion of females who feel overloaded with too much information.