I only have 5 mins to answer this and explain

Given the 5 categories in the table below, test the claim that the distribution of the categories is uniform (e.g., that the categories are equally likely to be selected) at a a = 0.05 significance level. Category Observed Expected Frequency Frequency A 16 57 X B 7 57 X C 9 57 X D 15 57 TX Enter an integer or decimal number [more..] E 10 57 X