dyiah9354 dyiah9354

04-01-2024
Mathematics

contestada

Suppose X is a random variable where P(X = x) = 1/6 for x in the set {1, 2, 3, 4, 5, 6}. What is E(X)?
A) 3.5
B) 2.5
C) 4.5
D) 1.5

Respuesta :

georgepahno georgepahno

04-01-2024

Answer:

E(X) = (1/6)(1 + 2 + 3 + 4 + 5 + 6)

= (1/6)(21) = 3.5

The correct answer is A.

Answer Link

Otras preguntas

Which class of organic compounds contains nitrogen? (I) aldehyde (2) alcohol (3) amine (4) ether

What is the approximate height of the average adult in centimeters?

is the planet Uranus surface rocky or flat?

There were 13 original states. Name three.

What happened at the Constitutional Convention?

help on questions 11 and 15 Add and simplify if possible

When an excited electron in an atom moves to the ground state, the electron (1) absorbs energy as it moves to a higher energy state (2) absorbs energy as it mov

Which compound is classified as a hydrocarbon? (1) butanal (3) 2-butanol (2) butyne (4) 2-butanone

What is the name of the national anthem?

Which term identifies a type of organic reaction? (1) deposition (3) esterification (2) distillation (4) sublimation