noting "very little negative reaction by class members to the proposed settlement" where 11 out of 3,800 class members opted out, and 3 objected); Willix v. Health, first, Inc., 2011 WL 754862, at *4 (E.D.N.Y. Feb. 18, 2011) (granting final approval of the settlement where 7 out of 2,025 class members objected