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Home Answered Questions Statistics and Probability 2 Analysis Of Sales At A Vacuum Cleaner Store Has Shown That The Number Of Riccar Vacuum Cleaners Th

(Solved): 2 Analysis Of Sales At A Vacuum Cleaner Store Has Shown That The Number Of Riccar Vacuum Cleaners Th ...

2 Analysis of sales at a vacuum cleaner store has shown that the number of Riccar vacuum cleaners that are sold in a day is a

2 Analysis of sales at a vacuum cleaner store has shown that the number of Riccar vacuum cleaners that are sold in a day is a Poisson random variable with mean rate 2. A How many Riccar vacuum cleaners whould the store have in stock to be 95 percent certain that there will be enough to last for 25 days? (Give a numerical answer.) B What is the expected number of days out of 25 that no Riccar vacuum cleaners will be sold?

Expert Answer

Answer: Given, Let us consider, Poisson distribution P(X = x) = e^-*^x/x! Here= 2 a) Let Xi means the
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