1. Write equations for the following statement:
(a) The sum of p and 3 is 15
-Class 7
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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?
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The equation of this statement is:
p+3=15
p=12
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