Let S = {s1, s2, s3, s4} be the sample space associated with an experiment having the probability distribution shown in the accompanying table. If A = {s1, s2} and B = {s1, s3}, find P(Bc) . 
Definitions:
Medical History
A record of a patient's health information, including past illnesses, surgeries, and family disease history, used for medical decision-making.
Abdominal Pain
Discomfort or pain located anywhere between the chest and groin region, often indicating issues within the stomach, liver, pancreas, or intestines.
Elderly Person's Calories
The amount of energy, measured in calories, that is recommended for consumption by older adults to maintain their health.
Nocturia
The condition of waking up during the night because you have to urinate.
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