[10 marks] Patrick is an old dog that needs attention and thus howls, and the duration of his howls during the night follows a Normal distribution with a mean of 30 minutes and a standard deviation of 10 minutes. What is the probability that Patrick will howl for more than 8 minutes in a night? For full marks, clearly identify the available information, provide an appropriate probability statement and identify an appropriate diagram for this situation. (2) (3)