Confidence interval estimate of proportion have same opinion

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In an accountemps survey of 150 senior executes, 47% said that the most common job interview mistake is to have little or no knowledge of the company. Construct a 99% confidence interval estimate of the proportion of all senior executives who have that same opinion. Is it possible that exactly half of all senior executives believe that the most common job interview mistake is to have little or no knowledge of the company. Why or Why not?

Reference no: EM13125052

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