Answer:
can u take full screen picture?
Step-by-step explanation:
Answer: 4
Step-by-step explanation:
18-14=4
C. 17
Why:
Divide 100 by 6, round the answer and you should get 17
Answer:
The margin of error is of 0.3012, and it means that we should be 99% confident that the population mean would be within 0.3012 of the sample mean.
Step-by-step explanation:
Margin of error

In which
is the standard deviation and n is the size of the sample.
Standard deviation of 1.3
This means that 
She surveys 124 families
This means that 
Margin of error and meaning:



The margin of error is of 0.3012, and it means that we should be 99% confident that the population mean would be within 0.3012 of the sample mean.