Hello i am doing assignment in my math 20-2 class. The question is: data collected of cars passing on the road revealed that the average speed was 90 km/h with a standard deviation of 5 km/h and the data which is normally distributed a policeman is assigned to set photo radar on the road in which the posted speed limit is 80 km/h it's 600 cars pass the photo radar in the police man sets the camera so that only those exceeding the speed limit by 10% are photographed, then how many drivers can the police expect to ticket? Can someone please tell me how to solve this?