My numbers line with Tad's,
with the black hens included I came up with
49.9% blue or 7.48 out of 15 eggs
28.3% black or 4.24 out of 15
21.6% splash or 3.24 out of 15
assuming fertillity and rate of lay being equal
Reminds me of a bit off the old Andy Griffith Show where Andy was trying...