According to Census data, the proportion of the US population falling into each of these four ethnic groups are 0.177 for Black people, 0.032 for Asian people, 0.734 for White people, and 0.057 for Latino/Hispanic people. If the proportions of commercial actors of different ethnicities match the Census proportions, how many actors of each ethnicity should researchers expect? Is there evidence that the proportions of these ethnicities for commercial actors differ from the Census proportions