Answer Happy

This question has several part that must be completed sequentially. If you skip a part of the question, you will not receive any points for the apped part, and you will not be able to come back to the skipped part. Tutorial Exercise 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: 49 13 8 335 In a recent census, the proportions for these four ethnic groups are 0.177, 0.040, 0.934, and 0.049, respectively. Does the data suggest that the proportions in commercials are different from the census proportions? Carry out a test of appropriate hypotheses using a significance level of 0.01 State the appropriate hypotheses. Calculate the test statistic What can be said about the value for the test? State the conclusion in the problem context