Q.2) The heights of American men follow normal distribution with mean µ=170.50

cm and standard deviation 6-4.16 cm. (3ptsX3=9pts)

1) Find the z-score of the man with heigh 175 cm.

2) Find the z-score of the man with heigh 160 cm.

3) Calculate μ-26 and µ+26 and find the percentage between them.