Do a Goodness of fit test

Blood types in U.S. (including both positive and negative and excluding Rh factors) are; Type O about 45%, Type A 40%, Type B 11%, Type AB 4%. (Source: Stanford Blood Center) Do a Goodness of fit test at α = .05 level based on the data below from various studies. (I combined the data and rounded to per 1000 people)   a) State H0 and Ha b) State d.f., α, 2 χ0 (table 6) c) Find the appropriate test statistic, d) Show a sketch of graph and compare 2 χ0 and 2 χ e) Make a decision to reject or fail to reject the null hypothesis and interpret https://www.studyhelpus.com/Questions & Answers/do-a-goodness-of-fit-test/