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Chapter 3: Q. 72 (page 221)

Use the following information to answer the next 12exercises. The graph shown is based on more than localid="1648902668215">170,000interviews done by Gallup that took place from January through December 2012. The sample consists of employed Americans 18years of age or older. The Emotional Health Index Scores are the sample space. We randomly sample one Emotional Health Index Score.

If we know an Emotional Health Index Score is 81.5 or more, what is the probability that it is 82.7.

Short Answer

Expert verified

The probability of emotional health index score when it is82.7is,PA=0.286.

Step by step solution

01

Given information

Given the Emotional Health Index Score

The emotional health index score 81.5.

When the emotional health index score 82.7, what is the probability.

02

Explanation

The probability of emotional health index score is,

Let the emotional health index score when it is 82.7 be A

P(A)=82.7+82.7(81.5+81.7+81.8+82.3+82.7+82.7+83.7)P(A)=165.4576.4=0.286

Conclusion :

Thus, the probability of emotional health index score when it is 82.7is,P(A)=0.286.

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