# What is the definition of Commercial Distribution?

The definition of commercial distribution is USE Economic distribution. It is any distribution of human drugs with the exception of the use for investigational use. The term refers to distribution of devices meant for human use.

### Define a normal random variable?

I have included two links. A normal random variable is a random variable whose associated probability distribution is the normal probability distribution. By definition, a random variable has to have an associated distribution. The normal distribution (probability density function) is defined by a mathematical formula with a mean and standard deviation as parameters. The normal distribution is ofter called a bell-shaped curve, because of its symmetrical shape. It is not the only symmetrical distribution. The…

### Is commercial a noun?

Yes, the word commercial is a noun, a singular, common, abstract noun; a word for a paid advertisement: The commercial for our new product is ready for distribution. The word commercial is also an adjective, a word that describes a noun: The commercial bread is not as good as my homemade bread. If by commercial you mean 'a commercial' then it is. If you mean 'commercial activity' then it is not. A rule of thumb…