Answer:
Var(X)=1.6
Step-by-step explanation:
Formula for calculating the coefficient of variation for a probability generating function:
Var(X)= PX''(1) + PX'(1) - [PX'(1)]² ........... eq(1)
Now compute each individual term in the above formula.
PX'(z) =
PX'(1) = = 8
[PX'(1)]² = 64
PX''(z) =
PX''(1) = = 57.6
Substitute all terms back in eq(1)
Var(X)= 57.6 + 8 - 64
Var(X)= 1.6
Hi.
So to find the answer, first you have to find 25% of $200. 25/100= 0.25. So 0.25 x 200 = 50.
Now that we found 25% of $200, you have to subtract that from $200. So 200 - 50 = 150.
The answer is $150.
Have a good day!
If there is two answers its A. And B.
Answer:
7
Step-by-step explanation:
16x + 22 = 134 ..... because if the two lines are parallel alternative exterior angles are congruent
16x = 134 - 22
16x = 112
x = 7
hope it helps
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Answer:
7/12
Step-by-step explanation:
1/3+1/4=7/12
You are basically adding both the fractions
1/3=4/12
1/4=3/12
3/12+4/12=7/12