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1. De 150 personas encuestadas en la ciudad de Ponce se encontr que 70 compran plantas solares por considerarlas mucho ms econmicas que las de

1. De 150 personas encuestadas en la ciudad de Ponce se encontr que 70 compran plantas solares por considerarlas mucho ms econmicas que las de gasolina. Por otro lado un 82% de los clientes consideran que los hogares se habian preparados con plantas de gasolina, gas o solares para la llegada de un possible huracn

a. Construir un I.C. del 99% para estimar la proporcin de las personas adquirieron plantas solares en Puerto Rico.

b. Construir un I.C. del 90% para estimar la proporcin de hogares se habian preparados con plantas de gasolina, gas o solares para la llegada de un possible huracn.

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