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.

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