KillerSteamcar

04.05.2021 • 

Mathematics

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
σ
=
16
σ=16sigma, equals, 16 years.

Ответ:

queenkimm26

16.12.2022

Mathematics

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y = 12x

Step-by-step explanation:

Given that:

y = cost of making a special order cupcake

A dozen of special order cupcakes = 12 pieces

Let the cost of extra ingredient for making a special order cupcake = x

Hence the cost y of making a dozen of such special order will be :

y = extra cost per order * number of orders

y = 12x

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