Mathematics, 19.07.2021 16:00 Mantisa

Prior to a special advertising campaign, 23% of all adults recognized a particular companyâs logo. At the close of the campaign the marketing department commissioned a survey in which 311 of 1,200 randomly selected adults recognized the logo. Determine, at the .01 level of significance, whether the data provide sufficient evidence to conclude that more than 23% of all adults now recognize the companyâs logo.

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Prior to a special advertising campaign, 23% of all adults recognized a particular companyâs logo. A...