na marketing survey, a random sample of 1014 supermarket shoppers revealed that 280 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. (Enter a number. Ro your answer to four decimal places.) (b) 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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na marketing survey, a random sample of 1014 supermarket shoppers revealed that 280 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. (Enter a number. Ro
your answer to four decimal places.)
(b) Find a 95% confidence interval for p. (For each answer, enter a number. Round your answers to three decimal places.)
lower limit
upper limit
Transcribed Image Text:na marketing survey, a random sample of 1014 supermarket shoppers revealed that 280 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. (Enter a number. Ro your answer to four decimal places.) (b) 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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