The authors of a paper concerned about racial stereotypes in tension counted the number of times that character of different ethnicities appeared in commercials aired on a certain city's television stations, resulting in the data in the accompanying table. based on the 2000 census, the proportion of the u. s. population falling into each of these four ethnic groups are 0.177 for african-american, 0.032 for asian, 0.734 for caucasian, and 0.057 for hispanic. do the data provide sufficient evidence to conclude that the proportions appearing in commercial are not the same as the census proportions? test the relevant hypotheses using a significance level of 0.01. let p_1, p_2, p_3, and p_4 be the proportions of appearances of the four ethnicities across all commercials. state the null and alternative hypotheses. calculate the test statistic. () what is the p-value for the test? (round your answer to four decimal places.) p-value =