Are the following data Poisson distributed? Use= .05 and the chi-square goodness-of-fit test to answer this question. What is your estimated lambda?

Number of Arrivals	fo
0	27
1	17
2	12
3	5

*Round the value ofto 1 decimal place.

**Round the value ofto 1 decimal place. Round the intermediate values to 3 decimal places. Round your answer to 3 decimal places, the tolerance is +/-0.005.

=

*

Observed2=

**

There is

sufficientinsufficient

evidence to reject the distribution as Poisson distributed.