Answer:
going up by 2 numbers
Step-by-step explanation:
Answer:
This is very simple, you can use tally marks to find the amount of birthdays. Then divide it by 100. Good luck !
Step-by-step explanation:
I would think the answer would be true
Answer:
8.5
Step-by-step explanation:
This is a simple similar triangles problem
Since 15/7.5 = 2, we know that the ratio between the triangles is 2
This means that 17/x = 2, which means x = 8.5
Answer:

Step-by-step explanation:
-Given that 
-We determine the z-value corresponding to the 95% confidence level:

-The margin of error is the degree of error from the real value and is calculated as follows:

Hence, the margin of error is 