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The Poisson distribution Quiz: answer key

Every answer, with a link to its step-by-step solution

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#AnswerLevelSolution
1C 0.1804EasySolved step by step
20.3679EasySolved step by step
3A 0.1353EasySolved step by step
40.1494EasySolved step by step
5B 0.1494MediumSolved step by step
6P(X ≤ 2) ≈ 0.4232MediumSolved step by step
7B P(X ≥ 1) ≈ 0.8647MediumSolved step by step
80.2240HarderSolved step by step
9A P(X ≥ 1) ≈ 0.6321HarderSolved step by step
10P(X ≤ 2) ≈ 0.5438HarderSolved step by step

Grade

Count your right answers and divide by the number of questions: A 90% or more, B 80%, C 70%, D 60%, F below 60%.