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:

Climate

The average weather conditions in a place over a long period, typically used to describe a geographic region's general weather patterns.

Pollution

The contamination of natural environments by harmful substances, resulting from human activities, which negatively affects air, water, soil quality, and consequently, living organisms.

Mortality

The state of being mortal or the incidence of death within a population.

Air Pollution

The presence of harmful substances in the air that can lead to health problems for living organisms and damage to the environment.