Chemistry, asked by mayankrawat49, 5 hours ago

in which country democracy was started first

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Answered by guptharshit377

0

Answer:

a hospital based cross-sectional study, it is planned to estimate the mean D-dimer level among COVID-19 patients. From previous literature, the standard deviation was found to be 200 ng/mL. If the researchers want to estimate the mean with a 50 ng/mL precision and 95% significance level, what is the minimum sample size required?

Answered by PanyaKohli

0

Answer:

Ancient Greece, where there were many city-states with different forms of government, democracy was contrasted with governance by elites

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