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Mathematics, 06.05.2020 01:47 xlebrny1215
An article reported the following frequencies with which ethnic characters appeared in recorded commercials that aired on Philadelphia television stations. Ethnicity: African American Asian Caucasian Hispanic Frequency: 46 11 330 5 In a recent census, the proportions for these four ethnic groups are 0.177, 0.043, 0.734, and 0.046, respectively. Does the data suggest that the proportions in commercials are different from the census proportions
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