
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Transcribed Image Text:Carbon-14 sa radioactive element with a half-afe of about 5,730 years. Carbon-14 is said to decay exponentialy. The decay rate is 0.000121. We start with one gram of cartbon-
14. We are interested in the time (years) it takes to decay carbon-14.
Find the percentage of carben-14 lasting longer than 15,000 years.
(0) Sketch the graph, and shade the area of interest.
G.00014
0.8
0.00012
0.00010
0.6
0.00008
0.00000
04
0.00004
0.00002
0.2
s000
10000
15000
20000
3000
10000
13000
20000
1.0
0.00014
0.00012
0.8
0.00010
0.6
0.00008
0.00006
04
0.00004
0.00002
02
5000
10 000
15000
20 000
5000
10 000
15 000
20 000
(b) Find the probability. (Round your answer to four decimal places.)
P15,000) -
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