In total, 1,097 replacements were made. Use this fact to repeat #8, but this time estimate from the data using maximum likelihood estimation. Remember to adjust the degrees of freedom to account for this change.

8. 4,850 light bulbs in a building were observed for one year. The number of times the light bulbs were replaced is given below: Number of Replacements Number of Light Bulbs 0 4000 1 700 2 80 3 4+ Using the chi-square fit test, you assess whether the data fits a Poisson distribution with 1 = .3 (this is the null hypothesis). 50 20 For this test, the data is grouped such that the expected number of light bulbs in each interval is at least 2