Question: Ecology Predator and Prey: Isle Royal, an island in superior ad provided an important study site of wolves and their prey. In the national park service sciencetific monograph series 11, wolf ecology and prey relations on the Isle Royal, Peterson gives results of many wolf moose studies. OF special interest is the study of the number of moose’s killed by wolfs. In the period from 19581974 there were 296 moose deaths identified as wolf kills. The age distribution of the kills is
Age Number killed by wolfs
calf 112
1-5 53
6-10 73
11-15 56
16-20 2
a) for each age group, compose the probability the a moose in that age group is killed by a wolf
b) consider al ages in a class equal to the class md point, find the expected age of a moose killed by a wolf and the standard deviation of the ages