The Customer Help Center in Your Company Receives Calls from Customers

Multiple Choice

The customer help center in your company receives calls from customers who need help with some of the customized software solutions your company provides.The staff prepare the following cumulative frequency ogive for waiting times during the last three months.What percentage of customers had waiting times exceeding 6 minutes?

A) 7%
B) 8%
C) 11%
D) 12%
E) 89%