I can't say from the picture, but are g and h normal to p and r?
Var(y)=k(1-p)/p^2
where y is the random variable
k is the successes obtain from y
0<p<1
2x squared +1 (-)x squared -7 is
a.) x squared +8
12-6=6
10-4=6
And there you go.
a) residential plan cost more by $4
b) it costs the same at 14 HCF. If they use less than this, then residential plan costs less
