SOLUTION: In the past, schools in Los Angeles County has closed an average of three days each year for weather emergencies. What is the probability that schools in Los Angeles County will cl

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Question 200773: In the past, schools in Los Angeles County has closed an average of three days each year for weather emergencies. What is the probability that schools in Los Angeles County will close for four-days next year
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
): In the past, schools in Los Angeles County has closed an average of three days each year for weather emergencies. What is the probability that schools in Los Angeles County will close for four-days next year
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average = 3 per year
poissonpdf(3,4) = 0.16803...
Cheers,
Stan H.