The customer service center in a large new york department store has determined that the amount of time spent with a customer ab
out a complaint is normally distributed, with a mean of 9.5 minutes and a standard deviation of 2.4 minutes. what is the probability that for a randomly chosen customer with a complaint, the amount of time spent resolving the complaint will be as follows. (round your answers to four decimal places.)
It’s just the line of the graph that goes to the middle of your points . You can also graph this on Microsoft excel has a function to find the best fit of a line . I hope this helps