What is 
for a one-tailed test for a negative 
when 30 participants are tested? Use = 0.05.
Definitions:
Bibasilar Crackles
Abnormal sounds heard in the lower lung fields during auscultation, often indicating fluid accumulation or infection in the lungs.
Bradycardia
Abnormally slow pulse rate, fewer than 60 per minute.
Packed Red Blood Cells
Concentrated units of red blood cells separated from whole blood, used for transfusion to increase the oxygen-carrying capacity of the blood in patients with anemia or significant blood loss.
Opiate Overdose
A critical, potentially fatal condition resulting from consuming an excessive amount of opiates, leading to suppressed breathing and other vital functions.
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