Question

Use a three-region Weibull distribution to approximate a hazard function with the following parameters:

a) λ₁ = 0.1, λ₂ = 0.5, λ₃ = 0.3
b) λ₁ = 0.3, λ₂ = 0.2, λ₃ = 0.5
c) λ₁ = 0.5, λ₂ = 0.3, λ₃ = 0.2
d) λ₁ = 0.2, λ₂ = 0.3, λ₃ = 0.5