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A metal fabricating company produces 150,000 souvenir tokens each year. In a random sample of 400 tokens, 3 have stamping error. Predict the total number of coins that will have stamping errors in a year.

Respuesta :

So you gotta do 400/3 which equals 0.0075. Then, you multiply 150,000 by 0.0075 which gets you 1,125.