Please help with #5-#10Thank you!!

A B 1 Exp Cond Helping 2 Yes 3 Sync Yes 4 Sync No 5 Sync Yes 6 Sync No Contingency Tables 7 Sync Yes 8 Sync Yes 9 Sync No Contingency Tables 10 Sync Yes 11 Sync Yes Helping 12 Sync Yes Yes Total 13 Sync Yes Exp Cond No 14 Sync No 15 Sync Yes Not Sync 11 4 15 16 Not Sync No Sync 4 10 14 17 Not Sync Yes 18 Not Sync No Total 15 14 29 19 Not Sync No 20 Not Sync No 21 Not Sync No 22 Not Sync No 23 Not Sync Yes x Tests 24 Not Sync No Value df P 25 Not Sync Yes 26 Not Sync No 5.81 1 0.016 27 Not Sync No 28 Not Sync No N 29 29 Not Sync No 30 Not Sync Yes Questions 5. Why did we conduct a chi-square test for independence instead of a chi-square goodness-of-fit test? 6. How many babies in the sync condition helped the experimenter? 7. How many babies in the not sync condition helped the experimenter? 8. Was there a significance difference in the proportion who helped vs. didn't between the two conditions (use an alpha level of 0.05)? Write out the value you used to decide. 9. Write the result in APA style. 10. In looking back at the data, we had two groups, why did we conduct chi-square tests instead of t-tests