The Waiting Line of Cars at In-N-Out Burger on Van

Multiple Choice

The waiting line of cars at In-N-Out Burger on Van Nuys Blvd.can get fairly long.In a recent study, you checked the length of the line 60 random times during one day.The table below shows the full set of results.Determine the "less than or equal to" cumulative frequency for an x value of 4 customers in line.

A) 57
B) 46
C) 53
D) 17
E) 3