Which of the following statements regarding "six sigma" is true?

a. the term has two distinct meanings–one is statistical; the other is a comprehensive quality system.

b. six sigma means that about 94 percent of a firm's output is free of defects.

c. the six sigma program was developed by toyota in the 1970s.

d. the six sigma program is for manufacturing firms and is not applicable to services.

A. The term has two distinct meaning one is statistical; and the other is a comphrensive quality system.

Explanation:

Six sigma is statical in that it try to limit the number of defects in a manufactured product to a minimal level and confirmed it through stastical inference . It works to ensure quality through the principles of definition, measurements, analyse, improve and control.

Though it does not give assurance of percentage of defects free product but it worked with the goals of eliminating defects to the lowest minimum, it was not devoloped by Toyota though it's mainly used manufacturing but it can equally be used in service industry.

answer:

simon wants to open a savings account. which of the following documents will the bank request for identification details?

b.   passport

step-by-step explanation: