The weights of large eggs are normally distributed with mean 65 grams and standard deviation 4 grams. The weights of standard eggs are normally distributed with mean 50 grams and standard deviation 3 grams. 1. One large egg and one standard egg are chosen at random. Find the probability that the weight of the standard egg is more than 4/5 of the weight of the large egg. 2. Standard eggs are sold in packs of 12 while large eggs are sold in packs of 5. Find the probability that the weight of a pack of standard eggs differs from twice the weight of a pack of large eggs by at most 5 grams.   This is Probability and Statistics

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The weights of large eggs are normally distributed with mean 65 grams and

standard deviation 4 grams. The weights of standard eggs are normally distributed with

mean 50 grams and standard deviation 3 grams.

1. One large egg and one standard egg are chosen at random. Find the probability that

the weight of the standard egg is more than 4/5 of the weight of the large egg.

2. Standard eggs are sold in packs of 12 while large eggs are sold in packs of 5. Find the

probability that the weight of a pack of standard eggs differs from twice the weight of

a pack of large eggs by at most 5 grams.

 

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