A Production Manager Is Concerned with the Average Weight of Metal

question 62

Multiple Choice

A production manager is concerned with the average weight of metal ingots.From past data,she knows that $\text { ? }$
is 1.6 lbs.The manager wishes to make a 95% interval estimate for $\mu$ using a sample of 64 ingots.The accuracy of this sample in estimating the population mean will be:

• A) 0.20.
• B) 0.392
• C) 1.96.
• D) 1.6.
• E) \(\pm\)0.05.

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Definitions:

NumberFormatException

An exception thrown in Java to indicate that an attempt has been made to convert a string to one of the numeric types, but the string does not have the appropriate format.

PrintStackTrace

A method in Java that prints the stack trace of the current thread to the standard error stream, useful for debugging exceptions.

GetMessage

GetMessage is typically a method in many programming languages and frameworks used to retrieve a message or description from an exception object.

Exception Object

An instance of an Exception class or its subclasses, representing an error or unexpected event that occurs during program execution.