Before 1918, approximately 55% of wolves in New Mexico and Arizona region were male, and 45% were female. Though, cattle ranchers in the area have made the determined effort to exterminate wolves. From 1918 to present, approximately 65% of wolves in region are male, and 35% are female. Biologists suspect that male wolves are more probable than females to return to area where population has been greatly decreased.
For period from 1918 to present, in sample of 9 wolves spotted in region, find probability that 6 or more were male?
find probability that six or more were female?
find probability that fewer than three were female?