The Postmaster of a city's Post Office believes that a Normal model is useful in projecting
the number of letters which will be mailed during the day. They use a mean of 20,000
letters and a standard deviation of 250 letters. Draw and clearly label this model.

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The Answer of The Postmaster of a city's Post Office believes that a Normal model is useful in projecting
the number of letters which will be mailed during the day. They use a mean of 20,000
letters and a standard deviation of 250 letters. Draw and clearly label this model.

The Postmaster of a City's Post Office Believes That a Normal