Answer:
OPTION B IS CORRECT COZ DISTANCE OF TWO POINTS ARE ALWAYED SUBTRACTED
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.
Answer:
Your answer would be C: 4
Step-by-step explanation:
Well, I mean, 4 is greater than 3, but is less than 5. Which proves the n > 5 part wrong.
Answer:
The answer is b 50.0 N
Step-by-step explanation:
<span>mean of 3.2 pounds and standard deviation of 0.8 pound</span>