Answer:
Step-by-step explanation:
Given that IQ mean is 100 and std dev = 12 for normal adults

Std error = 

i.e. sample size should be atleast 97
The required sample size is 97.
This is reasonable as this is greater than 30
Yes. This number of IQ test scores is a fairly large number.
% change = (new value - old value)/(old value) * 100%
.. = (9.67 -9.74)/9.74 * 100%
.. = -0.07/9.74 * 100%
.. = -0.7%
The decrease is 0.7%.
You mean the answer of 5x3833 divided by two?
Answer:
1a- Alternate Exterior Angles
1b- Alternate Interior Angles
1c-Alternate Exterior Angles
1d-Alternate Interior Angles
1e-Alternate Exterior Angles
1f-Alternate Interior Angles
2a-None
2b-None
2c-Alternate Exterior Angles
2d-None
2e-Alternate Interior Angles
2f-None
2g-None
2h-None
2i-None
2j-None