1,500 preferred candidate X for chairmanship and 850 did not prefer Y for secretary post. 300 were undecided on the candidate to vote for in each case.

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In an opinion poll 2500 voters were interviewed on their preference for candidates X and Y. 1,500 preferred candidate X for chairmanship and 850 did not prefer Y for secretary post. 300 were undecided on the candidate to vote for in each case.

 

         (i) Compute the 95% CI population portion of those who voted for Y in the actual election.

 

         (ii) Assuming that the voting trend remained the same compute the population portion, p2

 

              of those who voted for Y, if the number of voters interviewed increased to 30,000.

 

         (iii) Comment on your two results of pie1 and pie2.

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