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A forester measured the trees in a large woods up for sale. He concluded that the diameter of the trees was normally distributed with mean 12.4 inches and standard deviation 4.7 inches. Which of the following equations can be used to find the diameter x which is at the 90th percentile? (A) 0.90= (B) 1.28 = x-12.4 (4.7)² x 12.4 (4.7)² x-12.4 (C) 0.90= 4.7 x-12.4 (D) 1.28= 4.7 (E) 1.645= x-12.4 4.7

A forester measured the trees in a large woods up for sale. He concluded that the diameter of the trees was normally distributed with mean 12.4 inches and standard deviation 4.7 inches. Which of the following equations can be used to find the diameter x which is at the 90th percentile? (A) 0.90= (B) 1.28 = x-12.4 (4.7)² x 12.4 (4.7)² x-12.4 (C) 0.90= 4.7 x-12.4 (D) 1.28= 4.7 (E) 1.645= x-12.4 4.7

MATLAB: An Introduction with Applications
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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A forester measured the trees in a large woods up for sale. He concluded that the diameter of the trees was normally distributed with mean 12.4 inches and standard deviation 4.7 inches. Which of the following equations can be used to find the diameter x which is at the 90th percentile? (A) 0.90= (B) 1.28 = x-12.4 (4.7)² x 12.4 (4.7)² x-12.4 (C) 0.90= 4.7 x-12.4 (D) 1.28= 4.7 (E) 1.645= x-12.4 4.7
Transcribed Image Text:A forester measured the trees in a large woods up for sale. He concluded that the diameter of the trees was normally distributed with mean 12.4 inches and standard deviation 4.7 inches. Which of the following equations can be used to find the diameter x which is at the 90th percentile? (A) 0.90= (B) 1.28 = x-12.4 (4.7)² x 12.4 (4.7)² x-12.4 (C) 0.90= 4.7 x-12.4 (D) 1.28= 4.7 (E) 1.645= x-12.4 4.7
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