SURVIVES XEAP . . . Los Angeles puliee attend to Mrs. Alexandria Cowen, 39, after she survived a aev-en-story leap from her room in the Statler Hilton Hotel at midnight Wednesday. She suffered chest lacerations, a fractured skull and internal injuries. Mrs. Cowen told hospital attendants she came from Livermore because “there are no tall buildings there.She Leaps 7 Stories And Lives