Question

On Myanmar’s Election Day, a polling company is contracted by an international media outlet to conduct an exit poll. Voters are sampled and asked whether they voted for the National League for Democracy--the pro-democratization party led by Aung San Suu Kyi. The poll draws from a voter population N=27,983, and probability that a voter votes for NLD p = .59.On Myanmar’s Election Day, a polling company is contracted by an international media outlet to conduct an exit poll. Voters are sampled and asked whether they voted for the National League for Democracy--the pro-democratization party led by Aung San Suu Kyi. The poll draws from a voter population N=27,983, and probability that a voter votes for NLD p = .59.

Answer 1

You haven't posted the complete question. I believe the complete question is:

A.

n 5% of the population

= 0.05*27,983

1399.15

i.e. 1400 (since n can't be a fraction)

B.

C.

P(Z<z) = 0.95

i.e. z = 1.645

z = (-p)/

So,

= 0.59 + 1.645*0.0246

= 0.6305

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