February 21, 2017

Homework Help: Binomial Probability

Posted by Bill on Saturday, November 10, 2012 at 4:32pm.

Before 1918, wolves were shown as 55% male, 45% female. From 1918 to present they were shown as 70% male and 30% female. In a random sample of 12 wolves, what was the probability that 6 were male? What was the probibility that 6 or more were female? What was the probability fewer than 4 were female?
(b) Answer part A for period from 1918 to present

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