Answer:
No, Method is not effective.
Step-by-step explanation:
Let x be the number of girls = 319
and n be the total number of babies = 580
Then, proportion
Standard Error,
The level of significance is:
Confidence Interval:
![p \pm [Z_{\frac{\alpha}{2}} \times SE]\\=0.550 \pm [2.575 \times 0.02066\\=(0.4968, 0.6032)](https://tex.z-dn.net/?f=p%20%5Cpm%20%5BZ_%7B%5Cfrac%7B%5Calpha%7D%7B2%7D%7D%20%5Ctimes%20SE%5D%5C%5C%3D0.550%20%5Cpm%20%5B2.575%20%5Ctimes%200.02066%5C%5C%3D%280.4968%2C%200.6032%29)
Since 0.50 lies in the interval hence we fail to reject
Thus, the method does not appear to be effective.
Answer:
Two or more linear equations in the same variables; also called a linear system. ... A linear system with infinitely many solutions. System of Linear Inequalities. Consists of two or more linear inequalities in the same variable.
Answer:
7
Step-by-step explanation:
The two in middle are 10 and 4
So add them both then divide by 2
So 14÷2
7
Hope this helps
2/30 cause you can simplify easy
