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Calcule a mediana dos pontos obtidos pelos alunos nessa atividade
Um professor aplicou um exercício em sua turma de 60 alunos e as notas possíveis eram zero, 0,5 ponto ou 1 ponto. Sabendo que 40% dos alunos não obtiveram pontuação, 35% conseguiram 0,5 ponto e o restante atingiu a pontuação máxima, determine a mediana dos pontos obtidos pelos alunos nessa atividade.
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Answer #1
R: 0,43
40% de 60 = 24 alunos com nota 0
35% de 60 = 21 alunos com nota 0,5
25% de 60 = 15 alunos com nota 1
21 x 0,5 = 11 + 15 = 26
60/26 = 0,43