Answer:
12.9%
Step-by-step explanation:
Answer: I.Q. of 130 will have a z score (or standard score) of 2.
Step-by-step explanation:
Let X be a random variable that represents the I.Q. score.
Formula for Z-score : 
As per given, mean I.Q. = 100 and the standard deviation =15
For X = 130,

So, I.Q. of 130 will have a z score (or standard score) of 2.
24! If that is not correct please let me know
Answer:
D
Step-by-step explanation: D: 50