73. Jake took math last semester. The table below shows what portion of the grade each component (weight) and the second line is Jake's individual percent he sce Determine his final grade (expressed as a percentage) in the class using expec value. Exam 1 Exam 2 Classwork Homework Presentation 10% leight 15% 15% 25% 20% ake's Score 72% 88% 91% 77% 85%

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