Couple percents.
The lower the percentage of oxygen air contains, the more frequent a breath must be taken in order to maintain the blood oxygen level at an acceptable level.
No, not at all
The "acceptable noise level" will depend on your specific needs! What is "acceptable" in one situation, may be utterly unacceptable in another.
A decision based on what constitutes an acceptable level of risk
5-7% is acceptable
It depends to the acceptable risk level in your company. Usually AFR=10 is acceptable in most companies.
Fisk fragmentation, and A.I.R.Y fragmentation.
explain fragmentation?
About 3-5%
AQL - acceptable quality level
fragmentation
If all data fall between 3 Sigma levels, what percentage of the product is acceptable -- defect free?