Answer:
and this Z-score is “unusual.”
Step-by-step explanation:
To calculate the Z score use the following formula
Where
μ is the average
is the standard deviation
x is the data to which we will calculate the z-score
In this case
So
A z-score is unusual if 
or 
Finally
and this Z-score is “unusual.”
Answer:
f(x)=(x+2)(x−(−1+i2√))(x−(−1−i2√))
Sorry if its wrong!
Answer:
B. 4,1
Step-by-step explanation:
Answer:
Step-by-step explanation:
Let "a" represent the number against. Then (435-a) is the number in favor, and the difference is ...
(435-a) -a = 83
435 -83 = 2a . . . . . . add 2a-83
176 = a . . . . . . . . . . . .divide by 2
435 -176 = 259 . . . . number in favor
259 members voted in favor; 176 members voted against.
