A business analyst wants to validate a standard time for an existing process of a work operation. A previous study conducted have the following information: Standard Deviation - 30 seconds; Average time – 300 seconds With the desired confidence level of 90% and maximum error of 5%, how many observations should the business analyst conduct? Note: Round-up your answer to whole number.   Confidence Level Standard Deviation 80% 1.282 90% 1.645 95% 1.960 99% 2.576

Workplace health and safety requirements may add extra compliance costs to the estimate. Explain the risk management process solutions you will need to consider for the following, giving examples for body, mechanical and electrical: a. b Quality requirements (50-80 words) Reporting and recording procedures (50-80 words) C. Selection and use of personal protective equipment (PPE) and tools. (50-80 words)

The Money Pit Mortgage Company is interested in monitoring the performance of the mortgage process. Fifteen samples of five completed mortgage transactions each were taken during a period when the process was believed to be in control. The times to complete the transactions were measured. The means and ranges of the mortgage process transaction times, measured in days, are as follows: Sample Mean Range ew an example 1 2 16 12 7 12 Get more help. 3 6 5 4 5 6 7 8 9 15 10 10 13 14 11 9 10 16 13 16 11 Subsequently, samples of size 5 were taken from the process every week for the next 10 weeks. The times were measured and the following results obtained: D Sample Mean Range 16 9 8 17 12 12 18 19 13 7 7 5 20 15 13 MacBook Pro Click the icon to view the table of factors for calculating three-sigma limits for the x-chart and R-chart. a. Construct the control charts for the mean and the range, using the original 15 samples. Set up the R-chart by specifying the center line and three-sigma control…

Name or state three elements that can unsettle or disrupt the learning curve ?