A Laptop Battery Lifespan Follows a Normal Distribution with Mean $\sigma$

question 97

Multiple Choice

A laptop battery lifespan follows a normal distribution with mean μ = 22 months and a standard deviation $\sigma$ = 6 months.To test the alternative hypothesis that μ < 22 with α = .01, 36 laptop batteries are randomly selected.Assuming that μ = 24, the probability of type II error is approximately ________.

• A)-.01
• B)2.33
• C)-4.33
• D)0.01
• E)0.00

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Definitions:

Confirmation Bias

The tendency to search for, interpret, favor, and recall information in a way that confirms one's preexisting beliefs or hypotheses.

Confirmation Bias

The inclination to seek out, interpret, prefer, and remember information in a manner that affirms one's already held beliefs or theories.

Analytic Intelligence

A facet of intelligence theorized by Robert Sternberg as part of his Triarchic Theory of Intelligence, involving the ability to analyze and evaluate ideas, solve problems, and make decisions.

Triarchic Theory

A theory of intelligence proposed by Robert Sternberg, emphasizing analytical, creative, and practical aspects.