The metal skin of an airplane is inspected carefully at
The metal “skin” of an airplane is inspected carefully at the time of assembly and any flaws that are found are corrected. Suppose the average number of flaws found in these inspections is .1 per square foot. Assume all the Poisson conditions are met. Use the Poisson probability function to determine the probability of finding
a. Exactly two flaws in a 10 square foot area.
b. No flaws in a 20 square foot area.
c. No more than one flaw in a 30 square foot area.
d. At least two flaws in a 15 square foot area.
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