Question

Use the following information to answer the next $12$exercises. The graph shown is based on more than $1,70,000$interviews done by Gallup that took place from January through December $2012$. The sample consists of employed Americans $18$years of age or older. The Emotional Health Index Scores are the sample space. We randomly sample one Emotional Health Index Score.

If all occupations are equally likely for a certain individual, what is the probability that he or she will have an occupation with lower than averageEHIS?

Short answer

The probability of EHISwhich is lower than the average EHIS is, $0.5$.

Step-by-step solution

Given information

Given the Emotional Health Index Score

Explanation

Let the probability of EHIS which is lower than the average EHIS be A

$P\left(A\right)=\frac{7}{14}=0.5$