Câu 49: CLSSBB: Certified Lean Six Sigma Black Belt

Sally and Sara sell flower pots at their garage sale. Martha motivates Rose mentioning that they will sell a minimum of 16 pots per day if the outside temperature exceeds 60o F. From a sample, whose population is assumed to follow a Normal Distribution, taken for 30 days at 60 degrees or more an average of 15.2 pots per day were sold with a Standard Deviation of 0.6 pots. What is the Z value for this sales process?

1. A. 0.67
2. B. 1.13
3. C. 1.33 — đáp án hiện tại
4. D. 2.66