What percent of the trees is less than 40 feet tall? 2 What percent of the trees is between 39 to 43 feet tall? 8 The height below which are the shortest 20% of the trees

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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1. The mean height of trees in the virgin forest of Zambales is 42 feet and the standard deviation is 3
feet. Assuming that the distribution of these trees follow a normal distribution, find:
1.1 What percent of the trees is less than 40 feet tall?
1.2 What percent of the trees is between 39 to 43 feet tall?
1.3 The height below which are the shortest 20% of the trees
1.4 If there are 2,350 trees in the forest, how many trees are at least 40 feet tall?
Transcribed Image Text:1. The mean height of trees in the virgin forest of Zambales is 42 feet and the standard deviation is 3 feet. Assuming that the distribution of these trees follow a normal distribution, find: 1.1 What percent of the trees is less than 40 feet tall? 1.2 What percent of the trees is between 39 to 43 feet tall? 1.3 The height below which are the shortest 20% of the trees 1.4 If there are 2,350 trees in the forest, how many trees are at least 40 feet tall?
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