Where is the question. though
Let X be the iq score of adults. X is normally distributed with mean of 100 and standard deviation of 20.
If all iq scores are converted to z -scores then we will get z scores. And the z score is standard normal variable with mean=0 and standard deviation =1
Hence the mean and standard deviation of of all z scores will be 0 and 1 respectively.
Answer:
b6 2hich method
Step-by-step explanation:
I solv3 this
I think it would be 10.5, although I'm not sure I hope this helps
Answer:
6
ab-cd
Substitute the values in the equation
(4)(3)-(3)(2)
12-6=6