In contract negotiations between a local government agency and its workers, it is estimated that there is a 50% chance that an agreement will be reached on the salaries of the workers. It is estimated that there is a 70% chance that there will be an agreement on the insurance benefits. There is a 20% chance that no agreement will be reached on either issue. What is the probability that an agreement will be reached on both issues?
In contract negotiations between a local government agency and its workers, it is estimated that there is a 50% chance that an agreement will be reached on the salaries of the workers. It is estimated that there is a 70% chance that there will be an agreement on the insurance benefits. There is a 20% chance that no agreement will be reached on either issue. What is the probability that an agreement will be reached on both issues?
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
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
Transcribed Image Text:### Probability in Contract Negotiations
In the context of contract negotiations between a local government agency and its workers, several probabilities are estimated concerning agreement outcomes:
- There is a **50% chance** that an agreement will be reached on the salaries of the workers.
- There is a **70% chance** that an agreement will be reached on the insurance benefits.
- There is a **20% chance** that no agreement will be reached on either issue.
#### Question:
What is the probability that an agreement will be reached on both issues?
---
To solve this problem, we need to use the principles of probability, particularly the concept of joint probability for two independent events. Here, we consider:
- Let \( P(S) \) be the probability of reaching an agreement on salaries.
- Let \( P(I) \) be the probability of reaching an agreement on insurance benefits.
Given:
- \( P(S) = 0.50 \)
- \( P(I) = 0.70 \)
- \( P(\text{No Agreement}) = 0.20 \)
We need to find the probability that an agreement will be reached on both issues, \( P(S \cap I) \).
This scenario involves understanding complementary probabilities and the principle of inclusion-exclusion. The complementary probabilities are:
- Probability of not reaching agreement on salaries, \( P(\text{Not } S) = 1 - P(S) = 1 - 0.50 = 0.50 \)
- Probability of not reaching agreement on insurance benefits, \( P(\text{Not } I) = 1 - P(I) = 1 - 0.70 = 0.30 \)
Using these, we calculate :
- Probability of no agreement on at least one issue:
\( P(\text{Not Agreed on Both}) = P(\text{No Agreement}) \).
Given:
\( P(\text{Not } S \cup \text{Not } I) = 0.20 \),
Thus:
\( P((S \cap I)^) = 0.20 \),
Using Complement Rule:
\( P(S \cap I) = 1 - 0.20 = 0.80 - (\text{Part for complementary })) = .... \)
In advanced probability, define \(P(\text{Whole}) and both \ P (\cap I)...(For complex steps and other calculations, ensure classes teach... }\ ...
The final

Transcribed Image Text:The image displays a series of four radio buttons, each associated with a decimal number. The radio buttons are used for selection and typically appear in multiple-choice questions. The options are as follows:
- 0.8
- 0.1
- 0.4
- 0.3
Each number has an empty circle next to it, indicating that no selection has been made. This formatting is often used in quizzes, surveys, or forms where a respondent is required to choose one option from a list of possible answers.
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