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Over the past decade , the mean number of hacking attacks experienced by members of the Information Systems Security Association is 510 per year, with

Over the past decade, the mean number of hacking attacks experienced by members of the Information Systems Security Association is 510 per year, with a standard deviation of 14.28 attacks. The number of attacks per year is normally distributed.

What is the likelihood that this group will suffer an average of more than 600 attacks in the next 10 years?

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