THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 93

Essay

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
Candidates for employment at a city fire department are required to take a written aptitude test.Scores on this test are normally distributed with mean 260 and standard deviation 51.A random sample of nine test scores was taken.
-What is the probability that the sample mean score is less than 250?

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Definitions:

Social Dominance Theory

A social psychological theory suggesting that societies maintain hierarchical group relationships, with dominant groups exploiting or oppressing subordinate ones.

Great Violence

Intense or extreme physical force used to harm others or cause destruction, often associated with aggression or conflict.

Outgroup Homogeneity Bias

Outgroup Homogeneity Bias is the tendency to view individuals from outside one’s own group as more similar to each other than those within the group, leading to stereotypical thinking.

Group Attribution Error

The tendency to make broad stereotypical judgments about a group based on the actions of a few individuals within that group.