Question: 1.3 Data which might otherwise be expected to result from a Poisson distribution are sometimes found to contain too many zeroes. Suggest one possible mechanism

1.3 Data which might otherwise be expected to result from a Poisson distribution are sometimes found to contain too many zeroes. Suggest one possible mechanism for this ‘zero inflation,’ and consider how you might describe the data by means of a probability model. For discussion, see the paper by van den Broek (1995), and Example 5.1.

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