Problem#16.  Standard Normal Distribution

Answer the following questions using Excel functions. The random variable Z is standard normal distributed. 

a) P(Z ≤ 0.4) = ?

b) P(-0.75 ≤ Z ≤ 0.6) = ?

c) Find the value of C such that P(Z<=C)=0.15.

d) Find the value of C such that P(Z>=C)=0.08.

Problem#17.  Standard Normal Distribution

Use Excel to compute the following for a standard normal distributed random variable Z. 

a) P(Z > 0.6)=?

b) P(-0.2 ≤ Z ≤ 0.2)=?

c) P(0.2 ≤ Z ≤ 0.5)=?

d) Find the value of C such that P(Z > C) = 0.75.