Answer:
um whats m or y?
Step-by-step explanation:
Answer:
1000
Step-by-step explanation:
35^2: 1225
15^2: 225
1225 - 225
Answer:
25/250 or 1/10
Step-by-step explanation:
100/1000 -divide by two
50/500 -divide by two again
25/250
Answer:
D) 0.78, 0.029
Step-by-step explanation:
Central Limit Theorem:
For a proportion p in a sample of size n, the sampling distribution of the sample proportion will be approximately normal with mean
and standard deviation 
About 78% of the US, population claims that they visit the dentist at least once a year.
This means that 
Random sample of 200 people:
This means that 
Mean and standard deviation of the sampling distribution:
By the Central Limit Theorem
Mean 
Standard deviation 
So the correct answer is given by option D.