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# 1. In a random sample of 400 eligible voters interviewed in a large county, 228 objected...

###### Question:

1. In a random sample of 400 eligible voters interviewed in a large county, 228 objected to the use of public funds for the construction of a new professional football stadium. Construct a 95% confidence interval for the corresponding proportion of eligible voters in the whole county 2. With reference to the previous problem, what can we say with 99% confidence about the maximum error if- = is used as an estimate of the proportion of all eligible voters 7 400 in the county who are against the use of public funds for the construction of a new professional football stadium? 3. Among 400 fish caught in Woods Canyon Lake, 56 were inedible as a result of the chemical pollution of the environment. Construct a 99% confidence interval for the corresponding true proportion.

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