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A child counts the number of cracks in the sidewalk along the block she lives in...

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Statistics

A child counts the number of cracks in the sidewalk along theblock she lives in (about 1/8 mile of sidewalk). Suppose theexpected number of cracks in a block of sidewalk is 2.

a) Which distribution would be best to use to model thissituation? Explain.

b) What is the probability that she observes three or morecracks?

c) What is the probability that she observed exactly two cracksin 1/2 of the block?

Answer & Explanation Solved by verified expert
4.4 Ratings (551 Votes)
aPoisson Distribution would be best to use to model thissituationEXPLANATIONHere number of    See Answer
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