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Percentage of weights

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On average a bag of marbles weighs 16 ounces +2%, -1% with a standard deviation of .186 ounces, what percentage of bags will weigh between 15.834 and 16.13 ounces?

What percentage of bags will weigh more than 16.4 ounces?

What percentate of bags will weigh less than 15.92 ounces

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Solution Summary

The explanations clearly demonstrate the steps to find out the percentage for certain ranges by applying z score based probability.

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Hi there,

Thanks for letting me work on your post. Here is my explanation:

for x=15.834, z1=(15.834-16)/0.186=-0.89
for x=16.13, ...

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