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According to the latest census, the number of households in a large metropolitan area is 425,000.
According to the latest census, the number of households in a large metropolitan area is 425,000. The home delivery department of the local newspaper reports that 104,320 households receive daily home delivery. To increase home delivery sales, the marketing department launches an expensive advertising campaign. A financial analyst tells the publisher that for the campaign to be successful, home delivery must increase to more than 110,000 households. Anxious to see whether the campaign is working, the publisher authorizes a telephone survey of 400 households within 1 week of the beginning of the campaign and asks each household head whether he or she has the newspaper delivered. The responses are in file p6.10 ( 2= yes and 1=no)
a. Do these data files indicate that the campaign will increase home delivery sales?
b. Do these data allow the publisher to conclude that the campaign will be successful?
