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

question 75

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, what is the probability that it will not have interference?

• A) 0.14
• B) 0.014
• C) 0.028
• D) 0.986

---

Definitions:

Combine

The act of joining or merging two or more items into a single entity, often used in mathematical operations like addition or combination.

Simplify

The process of making an expression easier to understand or solve by reducing it to its most basic form.

Combine

To merge or unite two or more items or quantities to form a single entity.

Simplify

The process of altering an expression to make it easier to understand or solve by combining like terms or using properties of operations.