The number of incoming phone calls defined by a Random Variable X at a company switchboard during 1- minute intervals is believed to have a Poisson distribution. Use a .05 level of significance and the following data to test the assumption that the incoming phone calls follow a Poisson distribution. State the Hypotheses as well as the conclusion.
|
x
|
Observed Freq.
|
|
0
|
14
|
|
1
|
33
|
|
2
|
48
|
|
3
|
44
|
|
4
|
30
|
|
5
|
15
|
|
6
|
9
|
|
7
|
6
|
|
8
|
1
|