<s>[INST] A research study involves gathering data from a sample of 50 participants. The participants are asked to report their sleeping hours per day, and the sleeping hours are assumed to follow a normal distribution. The mean sleeping hours per day for the sample is 7.2 hours, and the sample standard deviation is 1.2 hours. What is the probability that a randomly selected participant sleeps more than 9 hours per day?[/INST]