Use the tree diagram to find the requested probability.Find P(X?A). Give your answer as a decimal and round your answer to three decimal places if necessary. 
a = 0.9, b = 0.1, c = 0.8, d = 0.2, e = 0.6, f = 0.4
A. 0.514
B. 0.72
C. 0.923
D. 0.8
Answer: C
Mathematics
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