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Unformatted text preview: adults aged 18‐34 years stated that they do not want to be managers. a. Using the results of the study, calculate a 95% confidence interval for the proportion of all adults aged 18 to 34 years who do not want to be managers. Assume that the survey included 758 adults aged 18 to 34 years. b. Take a random sample of 50 college students within the specified age group (18 to 34 years) and ask them the same question. Using your results, calculate a 95% confidence interval for the proportion of all adults aged 18‐34 years who do not want to be managers. If the sample size is not large enough to use the normal approximation, increase the sample size to 75. c. Compare the confidence intervals calculated in parts a and b. Are the results consistent between the two surveys? d. Is there any reason to believe that your results...
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- Spring '08