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Exercio de fixação de Probabilidade do terceiro ano do Ensino Medio.
Num curso profissionalizante a distribuição das idades dos alunos é dada pelo gráfico e com base nos dados determine, na escolha aleatória de um aluno, a probabilidade deste:
a)ter mais de 16 anos;
b)ter no minimo 17 anos;
c)ser maior de idade;
d)ter idade entre 18 e 21 anos;
e)ter 17 ou 20 anos;
f)ter 15 anos e ser maior de idade.
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Professores e Alunos
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