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In a marketing survey, a random sample of 1000 supermarket shoppers revealed that 272 always stock up on an item when they find that item
In a marketing survey, a random sample of 1000 supermarket shoppers revealed that 272 always stock up on an item when they find that item at a real bargain price.(a)Let p represent the proportion of all supermarket shoppers who always stock up on an item when they find a real bargain. Find a point estimate for p.
Find a 95% confidence interval for p. (For each answer, enter a number. Round your answers to three decimal places.) lower limit upper limit
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