The equation that passes through these points is x = 4
C is the answer...............................
-8.7 is the answer. hope this helps
Answer:
-764.28
Step-by-step explanation:
Given the joint cumulative distribution of X and Y as

#First find
and probability distribution function ,
:

#Have determined the probability distribution unction ,
, we calculate the Expectation of the random variable X:

#We then calculate
:

Hence, the Var(X) is 764.28
Answer:
x=-25.5
Step-by-step explanation:
5/2(-13) +7=-25.5