Suppose That in a Certain Metropolitan Area 18% of All

question 52

Multiple Choice

Suppose that in a certain metropolitan area 18% of all automobiles are equipped with an electric engine. Let denote the number among of 9 randomly selected automobiles that are equipped with an electric engine. Calculate . Let the random variable denote the number of passing automobiles that are equipped with an electric engine until you find automobile with another type of engine. Calculate . ​

• A) ,
• B) ,
• C) ,
• D) ,
• E) ,

---

Definitions:

Implicit

Something that is understood or implied without being directly stated or explicitly mentioned.

Explicit

Information or material that is clearly and directly expressed or demonstrated, leaving no room for confusion or doubt.

Automatic Processing

The unconscious encoding of incidental or well-practiced information, such as space, time, frequency, and the meaning of words.

Encoding Failure

A situation where information fails to be stored into long-term memory, leading to the inability to recall it later.