7+ 15.50X=100
Subtract 7
15.50X= 93
Divide by 15.50
X=6 people
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: 60
Step-by-step explanation: 5 was multiplied by 6 to get 30 so that means 10 has to get multiplied by 6 and it turns into 60
Answer:
9.5
Step-by-step explanation:
Answer:
try A!
Step-by-step explanation: