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(Solved) A department of education reported that in 2007, 67% of students


A department of education reported that in 2007, 67% of students enrolled in college or a trade school within 12 months of graduating from high school. In 2013, a random sample of 160 individuals who graduated from high school 12 months prior was selected. From this sample, 122 students were found to be enrolled in college or a trade school. 

a. A 95% confidence interval to estimate the actual proportion has a lower limit of ____ and an upper limit of ____. 

b. What is the margin of error sample of ? 

 


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Oct 15, 2019

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