[Solved] If the mean time between unscheduled maintenance of LCD displays in a hospital's CT scan facility is 4,000 operating hours,what is the probability of unscheduled maintenance in the next 5,000 hours? A)0.8000 B)0.7135 C)0.2865 D)0.5000 Pediatric Unit: A specialized hospital department or division dedicated to the care and treatment of children and adolescents. Medication Administration: The process of giving a prescribed drug to a patient in accordance with the directions provided by a healthcare professional. Competency: The ability or skill to do something successfully or efficiently, often evaluated in professional and legal contexts. Atherosclerotic Hearts: Hearts affected by atherosclerosis, a condition where the arteries harden and narrow due to plaque buildup, leading to heart disease.