The Weight of a Product Is Normally Distributed with a Mean

question 55

Multiple Choice

The weight of a product is normally distributed with a mean of four ounces and a variance of .25 "squared ounces." What is the probability that a randomly selected unit from a recently manufactured batch weighs more than 3.75 ounces?

• A).3085
• B).6915
• C).1587
• D).8413

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Definitions:

Savings

The portion of income not spent on current consumption or taxes, instead set aside for future use or investment.

Disposable Income

The money households have for spending and saving after subtracting income taxes.

Disposable Income

The amount of income left for spending or saving after taxes have been paid.

C + I

Represents the sum of consumer spending (C) and investment spending (I) in an economy's GDP formula.