Oh you just gotta like multipley and then subtracted it
Answer:
31
Step-by-step explanation:
Add all of the integers together then divide by 4 bc thats how many integers there are in order to get the mean.
Answer: (1500.66,1599.34)
Step-by-step explanation:
Confidence interval for population mean:

,where
= Sample mean , n= Sample size, z* = critical two tailed z-value ,
= population standard deviation.
As per given , we have
n= 16
square feet
square feet

Critical z-value = 
Confidence interval for population mean:

Required confidence interval: (1500.66,1599.34)
Answer:
50%
Step-by-step explanation:
Total students = 12 + 18 + 6 = 36
Seventh-graders = 18
18/36*100 = 50%
Answer:
C = 12.6 inches
Step-by-step explanation:
The circumference of a circle is given by
C = 2* pi*r
Using 3.14 for pi and 2 for r
C = 2 * 3.14 *2
C =12.56
To the nearest tenth
C = 12.6 inches