In problem test the hypothesis that the daily number of, Ask an Expert

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In Problem, test the hypothesis that the daily number of failures has a Poisson distribution.

A random sample of 500 migrant families was classified by region and income (in units of $1,000). The following data resulted.

Income	South	North
0-10	42	53
10-20	55	90
20-30	47	88
>30	36	89

Determine the p-value of the test that a family's income and region are independent.

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