kamnicole13
kamnicole13 kamnicole13
  • 14-05-2019
  • Mathematics
contestada

What is the expected value of X?

What is the expected value of X class=

Respuesta :

trevorman063 trevorman063
  • 14-05-2019

Answer:

5.6

Step-by-step explanation:

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Answer Link
MathPhys
MathPhys MathPhys
  • 14-05-2019

Answer:

6.2

Step-by-step explanation:

The expected value is the sum of the each value times its probability.

X = (3×0.2) + (4×0.1) + (5×0.25) + (7×0.05) + (9×0.4)

X = 0.6 + 0.4 + 1.25 + 0.35 + 3.6

X = 6.2

Answer Link

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