Choose the One Alternative That Best Completes the Statement or Answers

question 59

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
-A random sample of 56 lithium batteries has a mean life of 645 hours with a population standard deviation of 31 hours. Compute the $95 \%$ confidence interval for $\mu$ .

• A) \(( 636.9,653.1 )\)
• B) \(( 539.6,551.2 )\)
• C) \(( 112.0,118.9 )\)
• D) \(( 712.0,768.0 )\)

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Definitions:

Access

A database management system from Microsoft that allows users to store, retrieve, manage, and report data.

SQL Keyword

A reserved word in SQL (Structured Query Language) that is used to perform operations such as querying, updating, and managing databases.

Primary Key Field

A unique identifier for each record in a database table, ensuring no duplicates exist.

One-to-many Relationship

A database relationship where a single record in one table is linked to multiple records in another table.