In a Local Cellular Phone Area, Company a Accounts for 60

question 47

Multiple Choice

In a local cellular phone area, company A accounts for 60% of the cellular phone market, while company B accounts for the remaining 40% of the market. Of the cellular calls made with company A, 1% of the calls will have some sort of interference, while 2% of the cellular calls with company B will have interference. If a cellular call is selected at random and has interference, what is the probability that it was with company A?

• A) 0.571
• B) 0.071
• C) 0.429
• D) It cannot be determined.

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Definitions:

Medulla Oblongata

The medulla oblongata is a part of the brainstem that controls vital bodily functions such as breathing, heart rate, and blood pressure.

Cerebral Aqueduct

A narrow channel within the brain that connects the third and fourth ventricles, allowing for the flow of cerebrospinal fluid.

Pons

A part of the brainstem that links the medulla oblongata and the thalamus, playing a crucial role in sleep and dreaming.

Choroid Plexus

Specialized tissue in the ventricles of the brain that produces cerebrospinal fluid, playing a key role in protecting and nourishing the brain and spinal cord.