Social Studies, 07.04.2020 01:23 jeff6284
A group of statistics students decided to conduct a survey at their university to find the average (mean) amount of time students spent studying per week. Assuming a population standard deviation of three hours, what is the required sample size if the error should be less than a half hour with a 99% level of confidence?
Answers: 1
Social Studies, 22.06.2019 07:00
Which of the following was a key accomplishment of the people of songhai? a. they had a strong military and became the largest empire in west africa. b. they established a center of islamic scholarship. c. they worked with iron and prospered from the gold-salt trade. d. they dominated in the trade of ivory, enslaved people, and animal skins.
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Social Studies, 22.06.2019 17:10
Where do the majority of cases heard by the supreme court originate?
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Social Studies, 22.06.2019 18:00
What would you call a political system that is only meant to last for a short time
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A group of statistics students decided to conduct a survey at their university to find the average (...
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