Abraham Richards

Mathematics

6 March, 18:10

The weight of laboratory butterflies follows a Normal distribution, with a mean of 50 grams and a standard deviation of 3 grams. What percentage of the butterflies weigh between 47 grams and 53 grams?

1.) 99.7%

2.) 95%

3.) 68%

4.) 47.5%

5.) 34%

+2

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