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Trees in a certain forest have heights that are normally distributed with mean = 112 inches and a standard deviation 14 inches. What proportions of trees are more than 120 inches? O A. 0.2775 OB. 0.2561 OC. 0.2843 O D. 0.2915

Trees in a certain forest have heights that are normally distributed with mean = 112 inches and a standard deviation 14 inches. What proportions of trees are more than 120 inches? O A. 0.2775 OB. 0.2561 OC. 0.2843 O D. 0.2915

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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first picture is no. 18

QUESTION 19 (Refer to problem no. 18 for problems 19, 20, 21, and 22) What proportions of these trees are less than 100 inches? O A. 0.1912 B. 0.1977 O C. 0.1949 D.0.1987 QUESTION 20 What is the probability that a randomly chosen tree is between 90 and 100 inches tall? O A. 0.1467 OB. 0.1367 O C. 0.1167 O D. 0.2317
Transcribed Image Text:QUESTION 19 (Refer to problem no. 18 for problems 19, 20, 21, and 22) What proportions of these trees are less than 100 inches? O A. 0.1912 B. 0.1977 O C. 0.1949 D.0.1987 QUESTION 20 What is the probability that a randomly chosen tree is between 90 and 100 inches tall? O A. 0.1467 OB. 0.1367 O C. 0.1167 O D. 0.2317
Trees in a certain forest have heights that are normally distributed with mean = 112 inches and a standard deviation o=14 inches. What proportions of trees are more than 120 inches? O A. 0.2775 B. 0.2561 O C. 0.2843 O D. 0.2915
Transcribed Image Text:Trees in a certain forest have heights that are normally distributed with mean = 112 inches and a standard deviation o=14 inches. What proportions of trees are more than 120 inches? O A. 0.2775 B. 0.2561 O C. 0.2843 O D. 0.2915
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