Given Independent Random Variables with Means and Standard Deviations as Shown,find

question 85

Multiple Choice

Given independent random variables with means and standard deviations as shown,find the mean and standard deviation of the variable 2X.

• A)μ = 80,σ = 5
• B)μ = 42,σ = 5
• C)μ = 42,σ = 10
• D)μ = 80,σ = 10
• E)μ = 80,σ = 20

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Definitions:

Attitudes

Psychological tendencies that are expressed by evaluating a particular entity with some degree of favor or disfavor.

Regulatory Focus Theory

A promotion focus causes people to be approach-oriented in constructing a sense of self; a prevention focus causes people to be more cautious and avoidant in constructing a sense of self.

Promotion Focus

A motivational orientation aimed at achieving positive outcomes and realizing aspirations or dreams.

Prevention Focus

A motivational orientation geared towards avoiding negative outcomes or maintaining safety and security.