SOLUTION: The average number of defective hard disk made by a manufracturer is 3. What is the probability of not seeing more than 10 defective hard disk in a large sample.

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Question 980138: The average number of defective hard disk made by a manufracturer is 3. What is the probability of not seeing more than 10 defective hard disk in a large sample.
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
Need more information: what is the variability or how many disks are made altogether? Is there a normal distribution (need mean and variance), or is this a Poisson distribution, in which case it can be answered?