Answer:
1300
Step-by-step explanation:
6300
-3200=
1300
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.
4.16 I think if I did the math right
The upper one is correct. Because 0,75% = 0,0075 ( :10) and since the interest rate is positive it has to be 1 + ...
D, six units to the right. This is the answer because the pre-image is six to the left of the newest image. Just count the spaces away!