QUESTION 21 Find the 88th percentile of the tree heights. O A. 128.38 B. 125.37 O C. 129.45 OD. 138.12 QUESTION 22 Find the 12th percentil of the tree height. O A. 97.62 B. 95.62 OC. 93.34 O D. 98.12

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 6CR
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first picture is the given data for questions 21 and 22 

QUESTION 21
Find the 88th percentile of the tree heights.
O A. 128.38
O B. 125.37
O C. 129.45
O D. 138.12
QUESTION 22
Find the 12th percentil of the tree height.
O A. 97.62
B. 95.62
O C. 93.34
O D.98.12
Transcribed Image Text:QUESTION 21 Find the 88th percentile of the tree heights. O A. 128.38 O B. 125.37 O C. 129.45 O D. 138.12 QUESTION 22 Find the 12th percentil of the tree height. O A. 97.62 B. 95.62 O C. 93.34 O D.98.12
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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