En cada uno de tres alimentos, la unidad de peso tiene los nutrientes que se muestran en la tabla. ¿Cuántas unidades de peso de cada uno se deben ingerir para obtener exactamente 11 gramos de grasas, 10 gramos de carbohidratos y 6 gramos de proteínas? ALIMENTO GRASAS PROTEÍNAS CARBOHIDRATOS
A 1 1 2
B 2 1 1
C 2 1 2

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.

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?

Which of the following contains a variable?