The Number of Electrical Outages in a City Varies from Day

question 39

Multiple Choice

The number of electrical outages in a city varies from day to day.Assume that the number of electrical outages (x) in the city has the following probability distribution. ​ ​
The mean and the standard deviation for the number of electrical outages (respectively) are
​

• A) 2.6 and 5.77.
• B) 0.26 and 0.577.
• C) 3 and 0.01.
• D) 0 and 0.8.

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Definitions:

Electron Density

A measure of the probability of an electron being present at a specific location, often used in quantum chemistry and crystallography.

Octahedron

A three-dimensional geometric figure with eight faces, usually referring to a regular octahedron with all faces that are equilateral triangles.

Boron Atom

The smallest particle of the element boron, with an atomic number of 5, known for its applications in fiberglass, semiconductors, and agriculture.

Trigonal Planar

A molecular geometry where a central atom is connected to three other atoms placed at the corners of an equilateral triangle.