fill in the blank for statistics in social science

A researcher hypothesizes that the number of students who do and do not attend tutoring during finals week is uneven. She collects data from 50 students, 20 of whom say they went to tutoring and 30 of whom said they did not go to tutoring. Use this information to fill in the blanks below. Round all numbers to the hundredths place except DF which can be rounded to the whole number. The critical value is 3.84. To test this hypothesis the researcher must use a The DF is The expected count for tutoring is and the expected count for not going to tutoring is The observed count for tutoring is and the observed count for not going to tutoring is The obtained value is and the p-value is Is the result significant? Put yes or no Is the hypothesis supported? put yes or no