Darren wants to estimate the mean age in a population of trees. He'll sample
n
nn trees and...
Mathematics, 04.05.2021 15:40 kamrulh278
Darren wants to estimate the mean age in a population of trees. He'll sample
n
nn trees and build a
90
%
90%90, percent confidence interval for the mean age. He doesn't want the margin of error to exceed
3
33 years. Preliminary data suggests that the standard deviation for the ages of trees in this population is
Ļ
=
16
Ļ=16sigma, equals, 16 years.
Answers: 1
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