A company analyzed the waiting time during a specific time period for customers to talk to a customer service representative. The mean time to talk to a customer service representative was 9 minutes with a standard deviation of 2 minutes. Assume the distribution of waiting times is bell-shaped. What percentage of the customers waited at most 13 minutes? Group of answer choices 95% 97.5% 2.5% 5% Flag question: Question 14 Question 142 pts A company analyzed the waiting time during a specific time period for customers to talk to a customer service representative. The mean time to talk to a customer service representative was 9 minutes with a standard deviation of 2 minutes. Assume the distribution of waiting times to be bell-shaped. What percentage of the customers waited at least 7 minutes? Group of answer choices 34% 16% 5% 95% 84%