# Question

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.

(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.

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