Math for S3

2010-12-01 6:06 am
Please to solve the following question:

A survey was conducted outside a polling station in a country. Among 150 voters selected at random, 66 replied that they had voted for the candidate from Labour Party. If there were about 4 million voters in the country, estimate the number of voters who had voted for the Labour Party candidate.

回答 (2)

2010-12-01 6:15 am
✔ 最佳答案

66/150 x 4 million
= 1,760,000
2010-12-01 6:20 am
The estimated number of voters who had voted for the Labour Party candidated
= 4000000*66/150
= 4000000*22/30
= 4000000*20/30
= 4000001*2/3
= 2666667


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