There are four entrances to the Government Center Building in downtown Philadelphia. The building maintenance supervisor would like to know if the entrances are equally utilized. To investigate, 400 people were observed ntering the building. The number using each entrance is reported below: Entrance A B C D Frequency 111 116 94 79 At α = 0.02, is there a difference in the use of the four entrances?

There are four entrances to the Government Center Building in downtown Philadelphia.
The building maintenance supervisor would like to know if the entrances are equally utilized. To investigate, 400 people were observed ntering the building. The number using each entrance is reported below:
Entrance A B C D
Frequency 111 116 94 79
At α = 0.02, is there a difference in the use of the four entrances?