In chem 1a your final course grade is made up of 65% of your lecture grade and 35% of your lab grade. your lab grade is composed of your report sheets, lab exams and seminar quizzes. your lecture grade is composed of your lecture exams, final exams and quizzes (in class or through canvas, as determined by the course lecturer). go look in the chem 1a lab greensheet for the weight of each graded component for lab. a student is trying to figure out his lab percent. so far he has 88% in report sheets, 67% in the lab exam and 75% in quizzes. what is the students total lab % at this time rounded to two digits? group of answer choices