For the first sample you take out 80 coins and mark each of them with a drop of nail polish. The 80 coins are 24 quarters, 42 dimes, and 14 nickels. After the nail polish dries, you return the coins to the jar, and shake it well. A second sample of 200 coins is randomly drawn. It consists of: 45 quarters, of which 5 are marked; 90 dimes, of which 7 are marked; and 65 nickels, of which 9 are marked. How would you estimate the total number of coins in the jar by using capture-recapture method? And how would this result be different by simply adding the numbers of coins together?
For the first sample you take out 80 coins and mark each of them with a drop of nail polish. The 80 coins are 24 quarters, 42 dimes, and 14 nickels. After the nail polish dries, you return the coins to the jar, and shake it well. A second sample of 200 coins is randomly drawn. It consists of: 45 quarters, of which 5 are marked; 90 dimes, of which 7 are marked; and 65 nickels, of which 9 are marked. How would you estimate the total number of coins in the jar by using capture-recapture method? And how would this result be different by simply adding the numbers of coins together?
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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For the first sample you take out 80 coins and mark each of them with
a drop of nail polish. The 80 coins are 24 quarters, 42 dimes, and 14
nickels. After the nail polish dries, you return the coins to the jar, and
shake it well.
A second sample of 200 coins is randomly drawn. It consists of: 45
quarters, of which 5 are marked; 90 dimes, of which 7 are marked; and
65 nickels, of which 9 are marked.
How would you estimate the total number of coins in the jar by using capture-recapture method? And how would this result be different by simply adding the numbers of coins together? I am so confused please help
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