Test of hypothesis by using chi square

Reference no: EM13107957

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 entering the building. The number using each entrance is reported below. At the .01 significance level, is there a difference in the use of the four entrances?

Entrance Frequency

Main Street 140

Broad Street 120

Cherry Street 90

Walnut Street 50

Total 400

Reference no: EM13107957

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