# statistics

posted by
**Sam**
.

Assume the population distribution of FEV is normal with standard deviation 400 mLi.

(a) find P(E) is n=15 and population mean is 2800 mLi

(B) find P(E) is n=15 and the population mean is 2600mLi

(C) How does P(E) depend on the population mean?