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An average scanned image occupies 0.8 megabytes of memory with a standard deviation of 0.3 megabytes....

An average scanned image occupies 0.8 megabytes of memory with a
standard deviation of 0.3 megabytes. If you plan to publish 64 images on your web site, what
is the probability that their total size is between 50 megabytes and 60 megabytes?

Math   Statistics-And-Probability   
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