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In a marketing survey, a random sample of 1012 supermarket shoppers revealed that 266 always stock up on an item when they find that item
In a marketing survey, a random sample of 1012 supermarket shoppers revealed that 266 always stock up on an item when they find that item at a real bargain price
It saysIt says find a 95% confidence interval for p lower level and upper level I don't understand this
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