: Ahmed is taking Mathematics and Seology. His probabilities for getting grade f 90 (consider A = 90) are P(grade of A in Mathematics class) = 0.70. P(grade of A in Seology class) =0.60. P(grade of A in both Mathematics and Geology classes) = 0.50. re the events "grade of A in Mathematics lass" and "grade of A in Geology class" ndependent? Explain how did you know? O Yes O No

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