“…That is, if X|θ~ Weibull (θ, β) and θ~ gamma (γ, δ) then the compound PDF, say g(x|β, γ, δ), is given by The Burr XII and its reciprocal Burr III distributions have been used in many applications such as actuarial science, as in Embrechts et al [7] and Klugman [8], quantal bioassay as in Drane et al [9], economics, as in McDonald and Richards [10], Morrison and Schmittlein , [11], Schmittlein [12], McDonald [13], forestry,as in Lindsay et al [14], exotoxicology, as in Shao [15], life testing and reliability, as in Dubey [16,17], Papadopoulos [18], Lewis [19], Evans and Ragab [20], Lingappaiah [21], Jaheen [22], AL-Hussaini et al [23], Shah and Gokhale [24], AL-Hussaini and Jaheen, [25,26] and Moore and Papadopoulos [27], among others. Khan and Khan [28] and AL-Hussaini [29] characterized the Burr XII distribution.…”