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Holt Mcdougal Larson Pre-algebra: Student Edition 2012

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter1: Variables, Expressions, And Integers

Section: Chapter Questions

Problem 38CT

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### Smoking Habits of Asthma Sufferers

The table below describes the smoking habits of a group of asthma sufferers.

| | Nonsmoker | Occasional Smoker | Regular Smoker | Heavy Smoker | Total |
|--------------|-----------|-------------------|----------------|--------------|-------|
| **Men** | 381 | 31 | 72 | 47 | 531 |
| **Women** | 391 | 32 | 66 | 32 | 521 |
| **Total** | 772 | 63 | 138 | 79 | 1,052 |

#### Probability Calculation

If one of the 1,052 people is randomly selected, find the probability that the person is a man or a heavy smoker.

#### Multiple Choice Answers

- A. 0.535
- B. 0.595
- C. 0.580
- D. 0.490

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