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Mathematics, 10.10.2021 09:50 ponylover9558

For a particular diamond mine, 78% of the diamonds fail to qualify as "gemstone grade". A random sample of 90 diamonds is analyzed. Find the probability that the proportion of the sample diamonds that fail to qualify as gemstone grade is between 0.73 and 0.81. (In order to receive full credit, you must sketch the appropriate distribution, print the
necessary information on it and shade the appropriate area)

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