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

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter11: Data Analysis And Displays
Section: Chapter Questions
Problem 5CR
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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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