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Member Since: Sep 19, 2014
Total # Questions Provided: 2
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19
2014
Probabilidade sobre numa escola há três turmas (A,B,C).
Numa escola há três turmas (A, B e C) compostas, evidentemente, de meninos (H) e meninas (F) conforme quadro abaixo: H F Total Turma A 18 22 40 Turma B 15 17 32 Turma C 27 11 38 Total 60 50 110 Escolhe-se...
set
19
2014
Probabilidade de uma Pesquisa sobre audiência a três canais (A,B,C).
Uma pesquisa sobre audiência a três canais (A, B e C) de televisão revelou que dos 200 entrevistados: 50 assistiam somente A, 65 somente B e 32 somente C, 6 assistiam os três canais, 21 assistiam...
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