Answer:
Following are the solution to the given question:
Step-by-step explanation:
Confidence Interval for both the percentage of all x-ray machines
p = the machinery's share is not working:

Lower
Confidence interval = p - error margin
Upper
Confidence Interval = p + error margin
So,
Confidence Interval 
Answer:
21..........
Step-by-step explanation:
Answer:
In a command economy, the government controls major aspects of economic production. The government decides the means of production and owns the industries that produce goods and services for the public
Step-by-step explanation:
hope this helps!
Answer:
i believe u add all of them up
Step-by-step explanation:
It is the <span>The </span>Distributive property