Suppose That in One Town Adult Men Have a Mean

Multiple Choice

Suppose that in one town adult men have a mean weight of 77 kg with a standard deviation of 7 kg.Adult women have a mean weight of 63 kg with a standard deviation of 5 kg.10 year old children have a mean weight of 41 kg with a standard deviation of 3 kg.Suppose that a man,a woman,and a 10-year old child get into an elevator.What are the mean and standard deviation of their total weight?

A) μ = 107 kg,σ = 9.11 kg
B) μ = 181 kg,σ = 15 kg
C) μ = 181 kg,σ = 9.11 kg
D) μ = 107 kg,σ = 15 kg
E) μ = 181 kg,σ = 7.33 kg