Kari plans to sample 20 people of a population that contains 100 students. She wants to determine how many people wake up before 6 a. m. Which sample is the most random?
VX
O the first 20 students who arrive at school in the morning
O all 20 boys on the swim team
O 5 students out of each of the 4 homeroom classes
O the last 20 people in line for breakfast in the cafeteria
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the completion of the erie canal spurred the first great westward movement of american settlers, gave access to the rich land and resources west of the appalachians and made new york the preeminent commercial city in the united states.

the best description of postwar writers might be progressive.

following the war, writers showed a tendency to work on artistic or social matters rather than political themes. while postwar literature may not have been the greatest period of english literature, the themes provided excellent critics a high number of novels. such examples include anthony burgess, anthony powell and frank kermode, all of which can be placed under the progressive view.

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the steam engine.

the locomotive.

the telephone.

the telegraph.

the internal combustion engine.

the rifle.

ironclad ships.

electricity/light bulb.