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For a Particular Diamond Mine, 82% of the Diamonds Fail

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Question 57
Multiple Choice
arrowQuestion 57arrow
Multiple Choice

For a particular diamond mine, 82% of the diamonds fail to qualify as "gemstone grade". A random sample of 90 diamonds is analysed. Find the probability that the proportion of the sample diamonds that fail to qualify as gemstone grade is between 0.78 and 0.88.


A)0.7695
B)0.1611
C)0.9306
D)0.8389

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