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:

ERP

Stands for Enterprise Resource Planning, a type of software that organizations use to manage day-to-day business activities such as accounting, procurement, project management, and manufacturing.

MRP

Material Requirements Planning, a computer-based inventory management system designed to assist production planning and inventory control.

TPS

A kind of information system, the Transaction Processing System, focuses on the accumulation, storage, modification, and retrieval of transactional data from an organization.

Data Volumes

Refers to the size or amount of data, often measured in bytes, generated, processed, or stored by a system or application.