Answer:
wait what?
Step-by-step explanation:
It is the answer of .6 i think
Answer:

And replacing we got:


Step-by-step explanation:
For this case we have the following info given:
represent the mean
represent the deviation
We select a sample size of n=100. This sample is >30 so then we can use the central limit theorem. And we want to find the distribution for the sample mean and we know that the distribution is given by:

And replacing we got:


(-5, 12) because if it is going up four it is adding four to the y axis