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Q1. In a sample of 500 Canadians, it was found that 400 people preferred apple products....
Q1. In a sample of 500 Canadians, it was found that 400 people preferred apple products. In a sample of 700 Americans it was found that 600 preferred apple products. Is the proportion Canadians who prefer apple products less than Americans.
• 95% confidence interval for difference of proportions.
• From the confidence interval, do you think that the proportion of Canadians who prefer apple products is different from Americans.
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