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%)
Answer:
30 ft
Step-by-step explanation:
Answer:
14 cups
Step-by-step explanation:
Answer:
a-4000
Step-by-step explanation:
hope this helps if wrong plz tell me if right plz consider brainliest
Answer:
Step-by-step explanation:
g to the power of 8 *h hope this helped
nh to the power of 8