Answer:
2.83 units
(results are in decimal form, rounded to the nearest 100th)
Answer: (7.27%, 7.55%)
Step-by-step explanation:
As per given , we have
Sample size : n= 392
Sample mean : 

Critical two-tailed z-value for 95% confidence = 
Required confidence interval would be :

Hence, the required 95% confidence interval for the mean percentage share of billing volume from network television for the population of all U.S. advertising agencies : (7.27%, 7.55%)
The 24th
Bumper sticker: 6, 12, 18, 24
Key Chain: 12, 24, 36
24 is on both lines
√105
if u see its factor are only 3,5,7 so it cant be simplify
answer should be √105
B
X=3 im pretty sure i dont rly have a explanation