SOLUTION: For a particular diamond mine, 77% of the diamonds fail to qualify as "gemstone grade". A random sample of 112 diamonds is analyzed. Find the mean

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Question 932629: For a particular diamond mine, 77% of the diamonds fail to qualify as "gemstone grade".
A random sample of 112 diamonds is analyzed. Find the mean

Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
p(not gemstone grade) = .77, n = 112
.......
mean = .77(112) = 86.24

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