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A biology researcher is studying the risk of extinction of a rare tree species in a remote part of the Amazon. In the course of her study, the researcher models the trees' ages using a normal distribution with a mean of 254 years and a standard deviation of 75 years. Use this table or the ALEKS calculator to find the percentage of trees with an age between 347 years and 395 years according to the model. For your intermediate computations, use four or more decimal places. Give your final answer to two decimal places (for example 98.23%).

A biology researcher is studying the risk of extinction of a rare tree species in a remote part of the Amazon. In the course of her study, the researcher models the trees' ages using a normal distribution with a mean of 254 years and a standard deviation of 75 years. Use this table or the ALEKS calculator to find the percentage of trees with an age between 347 years and 395 years according to the model. For your intermediate computations, use four or more decimal places. Give your final answer to two decimal places (for example 98.23%).

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 31PPS
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A biology researcher is studying the risk of extinction of a rare tree species in a remote part of the Amazon. In the course of her study, the researcher models the trees' ages using a normal distribution with a mean of 254 years and a standard deviation of 75 years. Use this table or the ALEKS calculator to find the percentage of trees with an age between 347 years and 395 years according to the model. For your intermediate computations, use four or more decimal places. Give your final answer to two decimal places (for example 98.23%).
Transcribed Image Text:A biology researcher is studying the risk of extinction of a rare tree species in a remote part of the Amazon. In the course of her study, the researcher models the trees' ages using a normal distribution with a mean of 254 years and a standard deviation of 75 years. Use this table or the ALEKS calculator to find the percentage of trees with an age between 347 years and 395 years according to the model. For your intermediate computations, use four or more decimal places. Give your final answer to two decimal places (for example 98.23%).
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