Consider a two-point mixture of two-parameter Pareto distributions.  Distribution 1 has
parameters a = 4 and theta = 3,000.  Distribution 2 has parameters a = 3 and theta = 10,000.  
Determine the coefficients (or “probabilities”)  a1 and a2 such that this mixture has a 5%
probability of resulting in a claim greater than 10,000.

可以解释一下这题吗?

谢谢!