Question Completion Status. A study is being done in which the null hypothesis states that the number of accidents on 174 does not depend on the day of the week, which means the number of accidents would be the same no matter what day one investigated. If then, a week had a total of 77 accidents, how many would be expected to occur on a Friday? Round to the nearest tenth QUESTION 11 1 points Save Answer Use Table VII to determine the critical value for a chi-square distribution in which the variable has 21 possible variable values and the level of significance is 0.05 QUESTION 12 1 points Save Answer Use Table VII to determine the critical value for a chi-square distribution in which the variable has 22 possible variable values and the level of significance is 0.05 QUESTION 13 1 points Save