I have tried to draw histogramm of probability of satisfuction. It doesnot print a figure and doesn't write an error.
I thikn I don't determine correctly the function

probability_of_satisfaction

matteo, I will come to continue later. I was occupied before. I will come back to the faculty by 6 pm
I didn't change anything but git reqiures to commite history
from Matteo

Merge branch 'master' of https://github.com/MatteoLacki/R_e_SAS_Progetto_3

Conflicts:
	.Rhistory