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

Algebra ->  Probability-and-statistics -> 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      Log On


   

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