A manufacturer finds that 0.4% of his production is defective and unsuitable for marketing . How many to 1000 units produced will be rejected ?

A manufacturer finds that 0.4% of his production is defective and unsuitable for marketing . How many to 1000 units produced will be rejected ? Correct Answer 4

In every 100 units of production 0.4 unit gets rejected So, in every 1000 units of production 0.4 x 1000 / 100 = 4 units get rejected
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