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View Full Version : Binomial Distribution


sfdcapt3
Nov 7, 2012, 08:53 AM
Before 1918, 55% of wolves were male, 45% were female. From 1918 to present 70% were male, 30% were female. Before 1918, in a random sample, of 12 wolves, in the area, what was the probibility that 6 wolves were male? What was the probability that 6 were female? What was the probability fewer than 4 were female?

Answer part (a) for period 1918 to present. Success= Male, Failure = Female