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)