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A market research company conducted a telephone survey of195 Australianhouseholds to determine the proportion of households planningto renovate their kitchen within the next year. An

A market research company conducted a telephone survey of195 Australianhouseholds to determine the proportion of households planningto renovate their kitchen within the next year. 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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