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Category > Management Posted 09 Oct 2017 My Price 7.00

chemical company

A chemical company produces a substance composed of 98% cracked corn particles and 2% zinc phosphide for use in controlling rat populations in sugarcane liclds. Production must be carefully controlled to maintain the 2% zinc phosphide because too much zinc phosphide will cause damage to the sugarcane and too little will be ineffective in controlling the rat population. Records from past production indicate that the distribution of the actual percentage of zinc phosphide present in the substance is approximately mound-shaped, with a mean of 2.0% and a standard deviation of .08%

a. If the production line is operating correctly, approximately what proportion of batches from a day's production will contain less than 1.84% of zinc phosphide?

b. Suppose one batch chosen randomly actually contains 1.80% zinc phosphide. Does this indicate that there is too little zinc phosphide in today's production? Explain your reasoning.

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Maurice Tutor
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Status NEW Posted 09 Oct 2017 01:10 PM My Price 7.00

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