The Weight of a Product Is Normally Distributed with a Mean

question 135

Multiple Choice

The weight of a product is normally distributed with a mean of 4 ounces and a variance of .25 squared ounces. The company wants to classify the unit as a scrap in a maximum of 1 percent of the units if the weight is below a desired value. Determine the desired weight such that no more than 1 percent of the units are below it.

• A) 3.360
• B) 3.680
• C) 2.835
• D) 3.418

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Definitions:

Regression Equation

A mathematical formula that describes the relationship between one dependent variable and one or more independent variables.

Y′

A symbol often representing a predicted value or derivative in mathematical equations or models.

Linear Regression

A statistical method for modeling the relationship between a dependent variable and one or more independent variables by fitting a linear equation to observed data.

Multiple Regression

A statistical technique that uses more than one independent variable to predict the outcome of a dependent variable, allowing for the analysis of complex relationships.