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For certain workers, the mean wage is $7.50/hr, with a standard deviation of $0.25. If a worker is chosen at random, what is the probability

For certain workers, the mean wage is $7.50/hr, with a standard deviation of $0.25. If a worker is chosen at random, what is the probability that the worker's wage is between $7.25 and $7.75?

Assume a normal distribution of wages.

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