Question 29 1 pts For a logistic regression analysis of doses of a drug (measured in mg of drug/kg body mass) in which a = -0.66 and b = 2.8, what would the LDso be? 0.236 mg/kg 2.121 mg/kg 4.242 mg/kg 0.118 mg/kg Question 30 1 pts Formula-free curve fitting includes methods called "kernel," "spline," and "loess," which collectively are called linearizing basing modeling smoothing