What is the largest rectangular area one can enclose with 14 inches of string?
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Answer:
We are given:
Confidence level = 99%. Therefore, the critical value at 0.01 significance level using the standard normal table is given below:
Margin of error is given in the question as:
Since the previous proportion is not given, therefore, we need to assume
Therefore, the sample size is:
Therefore, 664 sample observations are required.