In "Studies In The Logic Of Explanation" (Philosophy of Science, XV, 1948) Hempel and Oppenheim analyze the basic pattern of scientific explanation. One of the difficult problems which they acknowledge is "whether and how the analysis of explanation can be extended from the case where all general ex- planatory principles invoked are of a strictly universal or 'deterministic' form to the case where explanatory reference is made to statistical hypotheses." It is hoped that the remarks which follow may contribute a (...) little toward clarifying the issue. (shrink)