A recent survey indicates that the proportion of season ticket holders for the school hockey team who renew their seats is about 0.80. Using a 95% confidence interval and a margin of error of 
0.025, what is the approximate size of the sample needed to estimate the true proportion who plan to renew their seats?
Definitions:
Airway Obstruction
A blockage in any part of the airway that restricts or impedes normal breathing.
Respiratory Infection
An infection of the lungs, airways, or other structures involved in breathing, often caused by viruses or bacteria.
Nasotracheal Suctioning
A medical procedure that involves the insertion of a suction catheter into the nose and down the trachea to remove secretions from the lower airway.
Contraindications
Specific conditions or factors that serve as reasons to withhold a certain medical treatment due to the harm it would cause the patient.
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