Question 466704
p = 1/8, q = 7/8, and n = 1200.

==> {{{P(134.5 <= X <= 175.5) = P((134.5 - 150)/11.46 <= Z <= (175.5 - 150)/11.46) = P(-1.35 <= Z <= 2.22)  = 0.8983}}}