Selected from those reading a particular magazine

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A sample of 120 housewives was randomly selected from those reading a particular magazine, and 18 were found to have purchased a new household product. Another sample of 150 housewives was randomly selected from those not reading the particular magazine, and only six were found to have purchased the product. Construct a 95 per cent confidence interval for the difference in the purchasing behaviour.

Reference no: EM131064309

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