## Answers

a) p = q = 0.50

E = 0.03

For 95% confidence,z = 1.96

Hence,

Sample size required

n = **1068**

b) p = 0.60, q = 1 - 0.60 = 0.40

E = 0.03

For 95% confidence,z = 1.96

Hence,

Sample size required

n = **1025**

c) **Option B** is correct.

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