Mealey's (August 16, 2017, 10:40 AM EDT) -- KNOXVILLE, Tenn. — A mathematician can provide expert testimony regarding the suitability of a bath mat that allegedly caused a woman to slip and fall after coming out of a shower stall in a condominium, a federal magistrate judge in Tennessee ruled Aug. 11, holding that the expert was qualified and that the methodology underlying his opinion is reliable (Phyllis G. Barnes, et al. v. Greg Malinak, et al., No. 15-cv-556-PLR-HBG, E.D. Tenn., 2017 U.S. Dist. LEXIS 127600)....