what are the degree of freedom? Can you please send the answer a little bit faster ?

After a large fund drive to help the Boston City Library, the following information was obtained from a random sample of contributors to the library fund. Using a 1% level of significance, test the claim that the amount contributed to the library fund is independent of ethnic group. Number of People Making Contribution Ethnic Group $1-50 $51-100 $101-150 $151-200 Over $200 Row Total 251 100 264 60 266 106 CO 60 in 340 Column Total 361 259 232 163 106 1121 (a) What is the level of significance? 0 01 State the null and alternate hypotheses. O H : Contribution level and ethnic group are not independent. H, : Contribution level and ethnic group are not independent. OH : Contribution level and ethnic group are independent. H : Contribution level and ethnic group are not independent. O H.: Contribution level and ethnic group are independent. H, : Contribution level and ethnic group are independent. O Ho: Contribution level and ethnic group are not independent. H, : Contribution level and ethnic group are independent. (b) Find the value of the chi-square statistic for the sample. (Round the expected frequencies to at least three decimal places. Round the test statistic to three decimal places.)