A forest ranger has data on the heights of a large growth of young pine trees. The mean height is 3.2 ft and the standard deviation 0.6 feet. A histogram shows that the distribution of heights is approximately normal. Approximately what fraction of the trees should we expect to be between 4.0 and 4.4 feet tall? 12. а. 2% b. 7% C. 9% d. 91% е. 98%
A forest ranger has data on the heights of a large growth of young pine trees. The mean height is 3.2 ft and the standard deviation 0.6 feet. A histogram shows that the distribution of heights is approximately normal. Approximately what fraction of the trees should we expect to be between 4.0 and 4.4 feet tall? 12. а. 2% b. 7% C. 9% d. 91% е. 98%
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 22SGR
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Transcribed Image Text:# 3
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AE
e. 0.9488
12. A forest
The mean height is 3.2 ft and the standard deviation 0.6 feet. A histogram shows
that the distribution of heights is approximately normal. Approximately what
fraction of the trees should we expect to be between 4.0 and 4.4 feet tall?
ranger has data on the heights of a large growth of young pine trees.
a. 2%
b. 7%
d. 91%
e. 98%
Match each word to its definition or example:
A) The time it takes to complete a
basketball game.
13. Disjoint
14.
Independent
B) Mean and standard deviation
minate Education™M
Inc.
24
4.
5.
S
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