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

question 106

Multiple Choice

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

• A)μ = 28,σ = 4.24
• B)μ = 74,σ = 8.54
• C)μ = 28,σ = 6
• D)μ = 28,σ = 2.45
• E)μ = 74,σ = 11

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Definitions:

Imitating

The action of copying the behavior or actions of another, often a key method of learning in humans and animals.

Operant Conditioning

The learning process that reinforces or punishes behavior. Also called instrumental conditioning.

Evolutionary Theory

A scientific theory that explains the diversity of life on Earth by means of natural selection, where organisms adapt to their environment over generations.

Modeling

A method of learning that involves observing and imitating others' behavior.