El señor Lopez compró un generador que funcionará durante 2 horas con un litro de gas. El tanque de gas en el generador es un prisma rectangular con dimensiones de 20 cm por 15 cm por 10 cm como se muestra. Si el señor Lopez llena el tanque con gas, ¿cuánto tiempo funcionará el generador? ¿Mostrar cómo llegaste a tu respuesta? [1000 cm3 = 1 litro] Explica tu respuesta.

Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.