Chapter 3 Review Exercises

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• 1. Oiled Birds

Birds were collected in areas affected by the Deepwater Horizon oil spill in the Gulf of Mexico. Through November 2, 2010, a report indicates that of the birds collected, 4342 were visibly oiled, 6104 were dead, and 2263 were both visibly oiled and dead. Draw a set diagram that shows the information.

• Worked-Out Solution

Here is one possible set diagram.

The number of birds that were dead, but not visibly oiled was

The number of birds that were visibly oiled, but not dead was

With this information, you can refine the set diagram as follows.

This diagram is a bit surprising, isn't it? The correlation between "dead" and "visibly oiled" is not as strong as one might first assume. Many of the oiled birds didn't die. Moreover, most of the birds that did die, didn't have any visible oil on them.

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```             ___      _____      ___     _____
___     / _ \\   /  ___||   / _ \\  |  __ \\
/   ||  | / \ || | // __    / //\ \\ | |  \ ||
| [] ||  | \_/ || | \\_\ || |  ___  ||| |__/ ||
\__ ||   \___//   \____//  |_||  |_|||_____//
-|_||   `---`     `---`   `-`   `-`  -----`
`-`
```
There are no comments.
• 2. Oiled Birds

Birds were collected in areas affected by the Deepwater Horizon oil spill in the Gulf of Mexico. Through November 2, 2010, a report indicates that of the birds collected, 4342 were visibly oiled, 6104 were dead, and 2263 were both visibly oiled and dead. How many birds were found visibly oiled or dead?

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```  ______   _    _     ______     ___      _____
/_   _// | || | ||  /_____//   / _ \\   /  ___||
| ||   | || | ||  `____ `   / //\ \\ | // __
_| ||   | \\_/ ||  /___//   |  ___  ||| \\_\ ||
/__//     \____//   `__ `    |_||  |_|| \____//
`--`       `---`    /_//     `-`   `-`   `---`
`-`
```
There are no comments.
• 3. Kemp's Ridley Sea Turtles

The set diagram shows characteristics of sea turtles upon arrival at an oil spill rehabilitation center. How many are Kemp's ridley sea turtles?

• Worked-Out Solution

The number of Kemp's ridley sea turtles is

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``` _    _      ___      _____     ______
| \  / ||   / _ \\   |__  //   /_   _//     ___
|  \/  ||  | / \ ||    / //     -| ||-     /   ||
| .  . ||  | \_/ ||   / //__    _| ||_    | [] ||
|_|\/|_||   \___//   /_____||  /_____//    \__ ||
`-`  `-`    `---`    `-----`   `-----`      -|_||
`-`
```
There are no comments.
• 4. Kemp's Ridley Sea Turtles

The set diagram shows characteristics of sea turtles upon arrival at an oil spill rehabilitation center. How many are not Kemp's ridley sea turtles?

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```  _  _     _____     _  _      ___     _    _
| \| ||  |  ___||  | \| ||   / _ \\  | || | ||
|  ' ||  | ||__    |  ' ||  / //\ \\ | || | ||
| .  ||  | ||__    | .  || |  ___  ||| \\_/ ||
|_|\_||  |_____||  |_|\_|| |_||  |_|| \____//
`-` -`   `-----`   `-` -`  `-`   `-`   `---`

```
There are no comments.
• 5. Sea Turtles and Medical Problems

The set diagram shows characteristics of sea turtles upon arrival at an oil spill rehabilitation center. How many sea turtles have respiratory problems and vision problems?

• Worked-Out Solution

The number of sea turtles that have respiratory problems and vision problems is

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``` _____     __   __   ______    _    _     _____
|  __ \\   \ \\/ // |      \\ | || | ||  |__  //
| |  \ ||   \ ` //  |  --  // | || | ||    / //
| |__/ ||    | ||   |  --  \\ | \\_/ ||   / //__
|_____//     |_||   |______//  \____//   /_____||
-----`      `-`'   `------`    `---`    `-----`

```
There are no comments.
• 6. Sea Turtles and Medical Problems

The set diagram shows characteristics of sea turtles upon arrival at an oil spill rehabilitation center. How many sea turtles have respiratory problems or vision problems?

These comments are not screened before publication. Constructive debate about the information on this page is welcome, but personal attacks are not. Please do not post comments that are commercial in nature or that violate copyright. Comments that we regard as obscene, defamatory, or intended to incite violence will be removed. If you find a comment offensive, you may flag it.
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```  _  __    ______     _____    _____     _____
| |/ //  /_   _//   / ___//  |  ___||  |__  //
| ' //    -| ||-    \___ \\  | ||__      / //
| . \\    _| ||_    /    //  | ||__     / //__
|_|\_\\  /_____//  /____//   |_____||  /_____||
`-` --`  `-----`  `-----`    `-----`   `-----`

```
There are no comments.
• 7. U.S. Coast Guard

The U.S. Coast Guard (USCG) sends British Petroleum bills that demand payment for equipment and personnel costs incurred due to the Deepwater Horizon oil spill. Information regarding bill #9 from January 11, 2011, is shown. Draw a set diagram that shows the information.

Nov/Dec 2010                                  Costs: \$9,843,486.77

Equipment Costs:

• USCG Aircraft: \$25,623.00
• USCG Vehicle: \$43,484.92
• Worked-Out Solution

Here is one possible set diagram that shows this information.

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``` _    _     ______   _    _    __   __
| |  | ||  /_   _// | \  / ||  \ \\/ //   ____
| |/\| ||   -| ||-  |  \/  ||   \ ` //   |    \\
|  /\  ||   _| ||_  | .  . ||    | ||    | [] ||
|_// \_||  /_____// |_|\/|_||    |_||    |  __//
`-`   `-`  `-----`  `-`  `-`     `-`'    |_|`-`
`-`
```
There are no comments.
• 8. U.S. Coast Guard

The U.S. Coast Guard (USCG) sends British Petroleum bills that demand payment for equipment and personnel costs incurred due to the Deepwater Horizon oil spill. Information regarding bill #9 from January 11, 2011, is shown. How much did the USCG charge for the use of its personnel?

Nov./Dec. 2010 Costs: \$9,843,486.77

Equipment Costs:

• USCG Aircraft: \$25,623.00
• USCG Vehicle: \$43,484.92

These comments are not screened before publication. Constructive debate about the information on this page is welcome, but personal attacks are not. Please do not post comments that are commercial in nature or that violate copyright. Comments that we regard as obscene, defamatory, or intended to incite violence will be removed. If you find a comment offensive, you may flag it.
When posting a comment, you agree to our Terms of Use.

```             ___      ______   _    _     ______
____      / _ \\   /_   _// | || | ||  /_____//
|    \\   | / \ ||  `-| |,-  | || | ||  `____ `
| [] ||   | \_/ ||    | ||   | \\_/ ||  /___//
|  __//    \___//     |_||    \____//   `__ `
|_|`-`     `---`      `-`'     `---`    /_//
`-`                                     `-`
```