Instruction: Provide detailed solution and derivation.1. A forester studying the effects of fertilization on certain pine forests in the Southeast is interested inestimating the average basal area of pine trees. In studying basal areas of similar trees for many years,he has discovered that these measurements (in square inches) are normally distributed with standarddeviation approximately 4 square inches.a. If the forester samples n = 9 trees, find the probability that the sample mean will be within 2square inches of the population mean.b. He would like the sample mean to be within 1 square inch of the population mean, with probability0.90. How many trees must he measure in order to ensure this degree of accuracy?

Answered: b. He would like the sample mean to be…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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b. He would like the sample mean to be within 1 square inch of the population mean, with probability 0.90. How many trees must he measure in order to ensure this degree of accuracy?