In (1 mathrm{~kg}) of a tapping of cast iron melt there are on average 1.2 impurities. What

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In \(1 \mathrm{~kg}\) of a tapping of cast iron melt there are on average 1.2 impurities.

What is the probability that in a \(1000 \mathrm{~kg}\) tapping there are at least 1400 impurities?

The spacial distribution of the impurities in a tapping is assumed to be Poisson.

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