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

question 37

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 have interference is _______.

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

---

Definitions:

Cooperative Breeding

A reproductive strategy where individuals beyond the immediate parents contribute to the care and raising of offspring.

Extended Families

Family groups that go beyond the nuclear family, including grandparents, aunts, uncles, and others.

Impulse Control

Impulse Control involves the ability to resist or delay an immediate urge or desire, playing a key role in emotional and behavioral regulation.

Preschool Behavior

Patterns of action or conduct exhibited by children attending preschool, typically involving aspects of learning, interaction, and development.