Mathematics, 05.07.2021 21:20 shayleithomas

2 A receita media, em porcentagem, dos quase 600 municipios de um estado tem sido 1%. O govemo pretende melhorar esse indice e, para isso, está estudando alguns incentivos Para
verificar os efeitos desses incentivos, sorteou 10 cidades e estudou quais seriam as porcentagens
investidas neles. Os resultados foram, em porcentagem, 8, 10,9,11,8,12,16,9 12,13 Admitindo-
se que esses números realmente venham a ocorrer, os dados trazem evidência de melhoria?
Caso altere a média do estado de um intervalo de confiança para a nova media,

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2 A receita media, em porcentagem, dos quase 600 municipios de um estado tem sido 1%. O govemo pret...