According to the State of Mobile 2018 report published by INE, the average daily cell phone usage in Italy is 4,8 hours/day per person. If we assume that daily cell phone usage follows a normal distribution, answer the following questions, arguing your answer:

Given a sample of 36 individuals with a cell phone, where the standard deviation is 2.95 h/day, what is the probability that the average use of the sample is greater than 6 hours/day?

Answer using the statistical tables, indicating the variable and its distribution.