llxv1a llxv1a
  • 13-01-2022
  • Mathematics
contestada

Can someone help me with stats?

Can someone help me with stats class=

Respuesta :

annie413
annie413 annie413
  • 13-01-2022

Answer:

Step-by-step explanation:

I believe this is right.

Define T= X + Y

a. Find and Interpret Mu T.

Mu T= Mu x+y

Mu x+y= Mu x + Mu y

Mu x+y= 4.75+ 4.9

Mu T= 9.65

b. Calculate and Interpret Sigma T.

Sigma T= Sigma x+y

Sigma x+y= √σ^2 (of x)+ σ^2 (of y)

Sigma x+y= √(0.698)^2+(0.768)^2

Sigma T= 1.0378

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