STA3032 Quiz 4 - a If the sugar concentration in batches of...

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NAME (in CAPITAL letters): UFID: Section: 7330 / 7393 UNIVERSITY OF FLORIDA DEPARTMENT OF STATISTICS STA3032 QUIZ 4 Spring 2011 Problem 11 on page 253 (Section 4.5) Penicillin is produced by the Pennicilium fungus, which is grown in a broth whose sugar content must be carefully controlled. The optimum sugar concentration is 4.9 mg/mL. If the concentration exceeds 6.0 mg/mL, the fungus dies and the process must be shut down for the day. Make sure you sketch each of the following problems before answering them
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Unformatted text preview: a) If the sugar concentration in batches of broth is normally distributed with mean 4.9 mg/mL and standard deviation 0.6 mg/mL, on what proportion of days will the process shut down? b) The supplier offers to sell broth with a sugar content that is normally distributed with men 5.2 mg/mL and standard deviation 0.4 mg/mL. Is this broth better than the one used in part a? Explain....
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