Question

What prevents consumers from sharing data with retailers? A recent Click Fo X-bar Consumer Behavior Survey (bit. ly/ 1fAfJAI) found that 32% of consumers responded “breaches of consumer data.”
a. To conduct a follow- up study that would provide 99% confidence that the point estimate is correct to within; 0.03 of the population proportion, how many consumers need to be ­sampled?
b. To conduct a follow- up study that would provide 99% confidence that the point estimate is correct to within; 0.05 of the population proportion, how many consumers need to be ­sampled?
c. Compare the results of (a) and (b).


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  • CreatedJuly 16, 2015
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