Answered: The number of people present at an…

General, Organic, and Biological Chemistry

7th Edition

ISBN:9781285853918

Author:H. Stephen Stoker

Publisher:H. Stephen Stoker

Chapter2: Measurements In Chemistry

Section: Chapter Questions

Problem 2.40EP: The number of people present at an outdoor rock concert was estimated by police to be 40,000. What...

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Question

The number of people present at an outdoor rock concert was estimated by police to be 40,000. What is the high and low estimate for the number of people present at the concert if it is assumed that this estimate has each of the following uncertainties?

a) 10,000

low value ? and high value?

b) 10

low value? and high value?

Expert Solution

Step 1

a) 10,000

If the uncertainty is 10,000, then the low and high value will be as follows:

$\begin{array}{rcl} Low value & = & 40000 - 10000 \\ = & 30000 \\ High value & = & 40000 + 10000 \\ = & 50000 \end{array}$

Thus the range will be 30000-50000

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