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Lizae9099
Lizae9099
13.11.2019 • 
Business

Leah's toys makes rubber balls. the current process is capable of producing balls that weigh on average, 2.7 ounces, with a standard deviation of 0.29 ounces.

a.) the upper and lower tolerance limits are 3.1 ounces and 2.3 ounces respectively.

the process capability ratio is (three decimial places)

b.) in order to exactly meet the tolerance limies 99.7% of the time, leah's toys would need to reduce the standard deviation to ounces. (two decimial places)

c.) suppose leah's toys invest in process improvements that lower the standard deviation to just 0.08 ounces.

this (is or is not) enough for leah's to achieve six sigma quality levels with regard to the weight of the balls, because a new capability ratio is (three decimial places)

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