Prove or disprove that P(C)=0.1.
These solutions may offer step-by-step problem-solving explanations or good writing examples that include modern styles of formatting and construction of bibliographies out of text citations and references. Students may use these solutions for personal skill-building and practice. Unethical use is strictly forbidden.Because A and B are mutually exclusive (or disjoint) => P (A U B)=P(A)+P(B)= 0.5 + 0.2 =0.7 and P (A∩ B)=0.
Also, since A U B U C = S => P(A U B U C)=1.
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