THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING

question 145

Multiple Choice

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING:
On average,there are 3.2 defects in a sheet of rolled steel.Assume that the number of defects follows a Poisson distribution.
-What is the probability of having exactly three defects in a roll?

• A)0.412
• B)0.223
• C)0.318
• D)0.335

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