Isle Royale an Island in Lake Superior has provided an important study site of wolves and their prey Of special interest is the

Question

Isle Royale an Island in Lake Superior has provided an important study site of wolves and their prey Of special interest is the study of the number of moose killed by wolves In the period from 1958 to 1974 there were 296 moose deaths identified as wolf kills The age distribution of the kills is as follows Age of Moose in Years Calf 0 5 yr 1 5 6 10 11 15 16 20 USE SALT Number Killed by Wolves 105 50 77 58 6 a For each age group compute the probability that a moose in that age group is killed by a wolf Round your answers to four decimal places 0 5 1 5 6 10 11 15 16 20 b Consider all ages in a class equal to the class midpoint Find the expected age of a moose killed by a wolf and the standard deviation of the ages Round your answers to two decimal places U

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