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:

Insulation

Material used to prevent the transfer of heat, electricity, or sound from one area to another, often used in building construction and the manufacturing of clothing and appliances.

Glial Cell

A type of cell in the nervous system that supports, nourishes, and protects neurons, playing a crucial role in brain function.

Neuron

A specialized cell transmitting nerve impulses; a nerve cell.

Synaptic Vesicle

a small, spherical sac containing neurotransmitters, found in the nerve endings, crucial for transmitting signals between neurons.