Page 21 - Yellow Belt Six Sigma
P. 21
Exercise #4 σ? Amazon
Amazon
Processes 36.8 million
orders Sigma Level DPMO # Defects Cost per error
Cost $35
Complete 3, 4, 5, 6 sigma 1σ 691,492 25,428,800 $890,008,000
For: # of Defects and Cost 2σ 308,538 11,374,880 $398,120,800
of Errors
3σ
# of Defects
= 36,800,000 * (100%-30.9%) 4σ
= 36,800,000 * 69.1% 5σ
= 25,428,800
= 25,428,800 * $35 6σ
= $890,008,000
