Question

QUESTION 6
% of all the species on the Earth are found
under the ocean.
O 3
10
O
20
C
O
50​

Answer 1

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?

Answer 2

Answer:

Scientists now estimate that 80 percent of Earth's species live on land, 15 percent in the ocean, and the remaining 5 percent in freshwater.