A market research company conducted a telephone survey of


Please tell me how to calculate this.

A market research company conducted a telephone survey of 195 Melbourne households to determine the proportion of households seeking to purchase a new car in the next two years. An interval estimate of 0.222 to 0.347 was calculated. Determine the level of confidence (answer as percentage correct to two decimal places).

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Basic Computer Science: A market research company conducted a telephone survey of
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