The Tread Life of a Particular Brand of Tire Is

question 27

Multiple Choice

The tread life of a particular brand of tire is a random variable best described by a normal distribution with amean of 60,000 miles and a standard deviation of 2900 miles. What is the probability a certain tire of this brandwill last between 53,910 miles and 54,780 miles?

• A) 0.0180
• B) 0.9813
• C) 0.4920
• D) 0.4649

Understand the mechanisms and effects of the implicit association test in uncovering covert prejudices.

Comprehend how social theories explain the maintenance or escalation of prejudices and discrimination.

Learn the significance of the social exchange theory in the dynamics of close relationships.

Understand the role of attribution and behavior confirmation in perpetuating stereotypes and prejudices.

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Definitions:

Dependent Variables

Variables in an experiment or model that are expected to change in response to changes in the independent variables.

Stepwise Regression

A method of fitting regression models in which the choice of predictive variables is carried out by an automatic procedure, adding or removing variables based solely on statistical criteria.

Stepwise Regression

A regression analysis technique where an automatic process is used to select the predictive variables.

Preliminary Tool

An initial instrument or technique used in the early stages of research to help gather data, assess theories, or guide a study's direction.