Samples A and B were selected from the same population. The mean of sample A is equal to the mean of the population. Which of the following statements must be true? A) The mean of sample A is a point estimator for the mean of the population. B) The mean of sample B is a point estimator for the mean of the population.
C) The mean of sample A is equal to the mean of sample B.

Ascientist has predicted that the population of earth will continue to grow exponentially until the year 2300. at that point, we will reach carrying capacity of earth’s resources, and population growth will plateau. if the scientist’s prediction is correct, what can you predict about human energy use at that time? justify your answer by explaining the relationship between population growth and energy use. (5 points)

In a speech before the american society of newspaper editors (april 16, 1953), president eisenhower stated: "every gun that is made, every warship launched, every rocket fired signifies, in the final sense, a theft from those who hunger and are not fed, those who are cold and not clothed. this world in arms is not spending money alone. it is spending the sweat of its laborers, the genius of its scientists, the hopes of its children. this is not a way of life at all in any true sense. under the cloud of threatening war, it is humanity hanging from a cross of iron." do you agree or disagree?

Compare and contrast the impact of global commerce on european and asian dynasties. did any dynasty hold an advantage over others in controlling commercial networks and using them to enrich their societies?