Mathematics, 13.01.2020 20:31 emmaja121003

Agroup of 20 students includes 5 students in sixth grade, 8 students in seventh grade, and 7 students in eighth grade. each student's name and grade are written on an index card and placed in a bag. a card is randomly selected from the bag. what is the probability that a seventh grader's name will be selected, p(seventh grader) p(seventh grader) ?

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Agroup of 20 students includes 5 students in sixth grade, 8 students in seventh grade, and 7 student...