In a Local Mobile Phone Area,company a Accounts for 60

question 59

Multiple Choice

In a local mobile phone area,company A accounts for 60% of the mobile phone market,while company B accounts for the remaining 40% of the market.Of the mobile calls made with company A,1% of the calls will have some sort of interference,while 2% of the mobile calls with company B will have interference.
- If a mobile call is selected at random,the probability that it will not have interference is _______.

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

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Definitions:

Cobalt

A chemical element with the symbol Co and atomic number 27, known for its metallic properties and use in alloys and batteries.

Mixture

A combination of two or more substances in which each substance retains its chemical identity and properties.

Homogeneous Mixture

A homogeneous mixture is a mixture in which the composition is uniform throughout, and the individual components are not visibly distinguishable.

Heterogeneous Mixture

A combination of substances that are not uniformly distributed and in which the individual components can be distinguished physically.