Less than 2% (ex. 0.5% - 1.5% average). Heavy smokers may have a level near 10% or even higher. If a non-smoker has a level at 10% or higher they may develope headches. 20% or thereabouts is generally considered CO poisoning, and 50%+ = seizures, coma, death.
Chat with our AI personalities
The standard normal distribution is a special case of the normal distribution. The standard normal has mean 0 and variance 1.
A normal (ie not smiling) mouth.A normal (ie not smiling) mouth.A normal (ie not smiling) mouth.A normal (ie not smiling) mouth.
Yes it is normal
normal + leap year = 548 normal + normal year = 547
The domain of the normal distribution is infinite.