Six_Sigma
ICBB · Question #92
ICBB Question #92: Real Exam Question with Answer & Explanation
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Question
Sally and Sara sell flower pots at their garage sale. Sally motivates Sara mentioning that they will sell a minimum of 22 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 18.2 pots per day were sold with a Standard Deviation of 0.9 pots. What is the Z value for this sales process?
Options
- A1.23
- B1.62
- C2.11
- D4.22
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