Mathematics, 18.11.2019 20:31 DwayneLeonard4088
Fifty students are enrolled in a business statistics class. after the first examination, a random sample of 5 papers was selected. the grades were 60, 75, 80, 70, and 90. a) determine the standard error of the mean. b) what assumption must be made before we can determine an interval for the mean grade of all the students in the class? explain why. c) assume the assumption of part b is met. provide a 90% confidence interval for the mean grade of all the students in the class.
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Mathematics, 21.06.2019 14:00
This is so harddd! solve. 1 + 1 = solve 4 + 4 = solve 3 x 3
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Mathematics, 21.06.2019 18:10
Find the smallest number by which the given number should be divided to make a perfect cube(with steps or the answer will get reported) a.108 b.2187
Answers: 1
Mathematics, 22.06.2019 00:00
Can someone plz me understand how to do these. plz, show work.in exercises 1-4, rewrite the expression in rational exponent form.[tex]\sqrt[4]{625} \sqrt[3]{512} (\sqrt[5]{4} )³ (\sqrt[4]{15} )^{7}\\ (\sqrt[3]{27} )^{2}[/tex]
Answers: 3
Fifty students are enrolled in a business statistics class. after the first examination, a random sa...
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