Times for an ambulance to respond to a medical emergency in

Last updated: 7/10/2022

Times for an ambulance to respond to a medical emergency in a certain town are normally distributed with a mean of 450 seconds and a standard deviation of 50 seconds. There are 288 emergencies in the town. In about how many emergencies would response times between 400 seconds and 500 seconds? The weights of bags of ready-to-eat salad are normally distributed with a mean of 300 grams and a standard deviation of 9 grams. What percent of the bags weigh less than 282 grams? 2.5% 5% 13.5% 34%