20. There are four entrances to the GovernmentCenter Building in downtown Philad
ID: 2914927 • Letter: 2
Question
20. There are four entrances to the GovernmentCenter Building in downtown Philadelphia.
The building maintenance supervisor would like to know if theentrances 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
20. There are four entrances to the GovernmentCenter Building in downtown Philadelphia.
The building maintenance supervisor would like to know if theentrances 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
Explanation / Answer
This problem could be solved using test for proportions. the proportions are p1=0.035 p2=0.3 p3=0.225 p4=0.125. By examining the above values we can say that there is adifference in the use of entrances.Related Questions
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