Recent content by tonio494

suppose your business is running at the three sigma quality level. If projects have a average improvement rate of 50% annually, how long will it take you to reach the six sigma level of quality?

The proportion of carbon 14 still present in a sample after t years is e–0.00012t.? Estimate the age of the cave paintings if the carbon with which they were drawn contains only 16.1% of its original carbon 14

A soft drink machine can be regulated so that it discharges an average of ? ounces per cup. If the ounces of fill are Normally distributed with a standard deviation of 0.4 oz, what value should ? be set at so that 6-oz cups will overflow only 2% of the time?