IS Find the expected value of a
random variable x having the
following probability distribution.
-5
-1
0
1
5
8
Probability
12
116
28
122
12
11
?

i dont know

step-by-step explanation:

step-by-step explanation:

step 1: solve one of the equations for one of the variables. let's solve the first equation for y:

step 2: substitute that equation into the other equation, and solve for x.

step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.

d. all of the above

step-by-step explanation:

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