Amalie wants to know if students in her class prefer hot dogs or hamburgers. Why should Amalie survey the entire population rath
er than a sample of the population? The population of the students in the classroom accurately represents the population of the whole school. The sample would contain people that are not part of the population. The population is small enough to survey the entire group. The sample would be larger than the population.
The distance between the walkers increases at the rate of (8 mph) -(2 mph) = 6 mph. That distance will be 4.5 mi after ... (4.5 mi)/(6 mi/h) = 4.5/6 h = 3/4 h
