Its B bro becauseiys a negative so you would get rid of the symbol then flip the negative
Answer:
b²
Step-by-step explanation:
To complete the square
add ( half the coefficient of the x- term)² to x² + bx
x² + 2( b )x + ( b )²
= x² + bx + b²
Answer:
The right answer is "516.3978".
Step-by-step explanation:
Given:
Sample mean,
Standard deviation,
Random sample,
We can say that, the sample mean will be equivalent to the population mean.
So,
⇒
hence,
The standard deviation will be:
⇒ =
Answer:
63
Step-by-step explanation: