There are four entrances to the Government Center Building in downtown Philadelp
ID: 3434694 • Letter: T
Question
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?
Frequency
Main Street
121
Broad Street
116
Cherry Street
92
Walnut Street
71
Total
400
State the null and alternate hypotheses:
H0: ?V = 0.92 H1: ?S = 0.03
H0: ?M = ?B = ?C = ?W H1: Not all are the same
H0: ?
EntranceFrequency
Main Street
121
Broad Street
116
Cherry Street
92
Walnut Street
71
Total
400
Explanation / Answer
H0: ?M = ?B = ?C = ?W H1: Not all are the same
---------------------------------------------------------------------------------------------------------
The degree of freedom =n-1=4-1=3
Given a=0.01, the critical value of X^2 with 0.99 and df=3 is 11.34 (from chisquare table)
Answer: X
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