This is from a
2017 article about the men's NCAA tournament:
Odd's of making the Sweet 16 by SeedNo. 1: 86.8 (111 out of 128)
No. 8: 9.4 (12 out of 128)
No. 9: 3.9 (5 out of 128)
No. 16: 0 (0 out of 128)
No. 2: 63.2 (81 out of 128)
No. 7: 18.0 (23 out of 128)
No. 10: 18.0 (23 out of 128)
No. 15: 0.8 (1 out of 128)
No. 3: 50.8 (65 out of 128)
No. 6: 32.8 (42 out of 128)
No. 11: 14.8 (19 out of 128)
No. 14: 1.6 (2 out of 128)
No. 4: 46.1 (59 out of 128)
No. 5: 33.6 (43 out of 128)
No. 12: 15.6 (20 out of 128)
No. 13: 4.7 (6 out of 128)