'a typical life' is correct and usable in written English.
You can use it to refer to a life that is typical or ordinary, compared to others. For example, "John leads a typical life of going to work, spending time with his family, and doing chores around the house."
(By 2010, a typical life, they feel sure, will fit on a cell phone).
"Just an ordinary man living a typical life in Anytown, U.S.A.," Calibar answers.
Each of the cabs is expected to travel more than 1m miles during a typical life of around 14 years.
If only on the surface, Mr. Armstrong seemed to be living a typical life since moving to Dearborn Heights, a working-class suburb here.
Human beings, like other animal species, have a typical life course that consists of successive phases of growth, each of which is characterized by a distinct set of physical, physiological, and behavioral features.
Fig. 2 Diagrammatic representation to contrast somatic growths between basidiomycetes with a typical life cycle and the Termitomyces symbiont.
That said, Planet Labs doves don't live as long, with a typical life-span of about one to three years.
A typical life-size piece takes about three months to complete, from sitting to final assembly in the foundry.
Thereby, each echo experiences a typical life-cycle: the reflectors cause echo traces that persist, approach, and depart along with the occasionally shadowed LOS path.
Permanent migrants are expected to save and invest in the destination country as a typical life-cycle decision, and their contributions will return to them when retiring in the same destination country.
Other than that, she's probably had a fairly typical life for a privileged American teen.
