SOLUTION: Suppose the weights of packages of lettuce coming off a packaging line have a normal distribution with mean 8.5 ounces and standard deviation 0.9 ounce. If every package is labeled

SOLUTION: Suppose the weights of packages of lettuce coming off a packaging line have a normal distribution with mean 8.5 ounces and standard deviation 0.9 ounce. If every package is labeled

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Question 1045359: Suppose the weights of packages of lettuce coming off a packaging line have a normal distribution with mean 8.5 ounces and standard deviation 0.9 ounce. If every package is labeled 10.3 ounces, what proportion of the packages weigh less than the labeled amount?
% (Round to the whole.)
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
= (10.3 - 8.5)/.9 = 2
P(x < 10.3) = P(z < 2) = =NORMSDIST(2) = .9972 0r 99.72%
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