Let Y equal the sum of n = 100 Bernoulli trials. That is, Y is b(100, p). For each of
(i) p = 0.1,
(ii) p = 0.5, and
(iii) p = 0.8,
(a) Draw the approximating normal pdfs, all on the same graph.
(b) Find P(| Y/100 − p | ≤ 0.015), approximately.