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"Backsolve" Poisson function
I am trying to estimate the number of spare parts required to give say
95% protection level. At the moment I have used the Poisson function to calculate the protection level with various number of spares. I then use MATCH to find the first value that exceeds the required protection level. Is there a way of reversing the POISSON calculation so that I input protection level plus Mean demand (cumulative = True) and output the number of spare parts required? |
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