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A market research consultant hired by a leading softdrink company wants to determine the proportion of consumers who favor its low-calorie brand over the leading low calore competitor in a particular geographic region. A random sample of 250 consumers from the market under investigation is provided in the file Pos 17. xx. Round your answers to three decimal places, if necessary a. Calculate a se confidence interval for the proportion of all consumers in this market who prefer the company brand. Lower Limit Upper Limit b. The file contains the gender and age group for each customer in the sample. Calculate a separate 90% confidence for each gender for the proportions who prefer the company's brand Preference() Preference() Lower Limit Upper Limit Calculate a separate 90% confidence for each age group for the proportion who prefer the company's brand Between Between Less than 20 20 and 40 40 and 60 Over 60 Lower Limit Upper Limit Canfiintaruslenme Salart CAHATAN A market research consultant hired by a leading softdrink company wants to determine the proportion of consumers who favor its low-calorie brand over the leading low calore competitor in a particular geographic region. A random sample of 250 consumers from the market under investigation is provided in the file Pos 17. xx. Round your answers to three decimal places, if necessary a. Calculate a se confidence interval for the proportion of all consumers in this market who prefer the company brand. Lower Limit Upper Limit b. The file contains the gender and age group for each customer in the sample. Calculate a separate 90% confidence for each gender for the proportions who prefer the company's brand Preference() Preference() Lower Limit Upper Limit Calculate a separate 90% confidence for each age group for the proportion who prefer the company's brand Between Between Less than 20 20 and 40 40 and 60 Over 60 Lower Limit Upper Limit Canfiintaruslenme Salart CAHATAN

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