### Chapter 8 Review Exercises

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• 1. Describing Likelihood

The table shows the probabilities of several events. Complete the table. Then describe the likelihood of each event in words.

• Worked-Out Solution

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

```
• 2. Snowfall in Olympia

Describe the likelihood that at least 1 inch of snow will accumulate in Olympia.

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

```
• 3. Snowfall in Packwood

Describe the likelihood that at least 1 inch of snow will accumulate in Packwood.

• Worked-Out Solution

There is a 95% probability that at least 1 inch of snow will accumulate in Packwood.

Packwood is named after William Packwood, an explorer of Oregon and Washington. Packwood and James Longmire were assigned by the Washington Territorial Legislature to chart a low pass over the Cascade Mountains. The charted pass, called the Packwood Saddle, has never been used for a road or trail between the east and west sides of the Cascades.

View of Mt. Rainier from a section of the Pacific Crest Trail in the Central Cascade Moutain range

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

```
• 4. Snowfall in Richland

Describe the likelihood that at least 1 inch of snow will accumulate in Richland.

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

```
• 5. Snowfall in Seattle

Describe the likelihood that at least 1 inch of snow will accumulate in Seattle.

• Worked-Out Solution

There is a 35% probability that at least 1 inch of snow will accumulate in Seattle.

Seattle is the largest city in the Pacific Northwest. It is named after Chief Sealth "Seattle," of the Duwamish and Suquamish tribes. The population of the metropolitan area is about 3.4 million.

Seattle skyline with Mt. Rainier

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

```
• 6. Causes of Death

The graph shows the death rate per 100,000 people in the United States for several causes. Compare the rates for the causes of death.

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``` _    _     _____     ______   __   __   __   __