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A Rasmusen report, conducted in March of 2014, finds that 36% of American Adults say they are overweight. The margin of error was reported at 3% for a 95% confidence interval. Give the 95% confidence interval for the percent of all American adults that say they are overweight.
https://www.rasmussenreports.com/public_content/lifestyle/general_lifestyle/february_2014/67_consider_themselves_healthy_eaters
https://win.niddk.nih.gov/statistics/ (Links to an external site.) Claims that more than 66% of adults are overweight or obese.
We select a random sample of 25 observations from a normally distributed population with an unknown population variance. The computed test statistic for a right tail, greater than, hypothesis test is t=1.55.
a publisher wants to estimate the mean length of time in minutes all adults spend reading newspapers online. to
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Would you agree with this claim if the random sample showed an average of 23,500 km and a standard deviation of 3,900 km? Use 0.01 level of significance.
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