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Q19.) At the 0.10 level of significance, can we conclude that the following 400 observations follow a Poisson distribution with = 3? Number of arrivals

Q19.) At the 0.10 level of significance, can we conclude that the following 400 observations follow a Poisson distribution with = 3?

Number of arrivals hours 0 1 2 3 4 5 or more

Number of hours 20 57 98 85 78 62

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