On a sample tray, 6 out of 20 cake samples are chocolate. What is the probability that a randomly selected piece of cake will be chocolate?

6/20 = 30%

30% is the probability that a randomly selected piece of cake will be chocolate

in addition, millions of immigrants came to the united states during this era, seeking a better life for themselves and their families. one important result of industrialization and immigration was the growth of cities, a process known as urbanization. commonly, factories were located near urban areas.