Answer:
a) 
b) 
c) 
d) E(3X + 2) = 21.35
e) 
f) V(3X+2) = 140.832
g) E(X+1) = 7.45
h) V(X+1) = 15.648
Step-by-step explanation:
a) 

b)

c)

d)

e)

f)

g)

h)

Answer:
You are right! The answer is c.
Step-by-step explanation:
Since the toss can either be heads or tails and only one of these can land at a time the answer is 13
Solutions
First Lets solve for this equation
Therefore this given equation is a <span>dependent system.
</span>
<span>Solve for </span>
There are too many solutions to these equations.