Mathematics, 15.06.2020 23:57, hipposaresofluffy

The Museum of Science in Boston has an exhibit in which metal balls drop down a chute, bounce around, and wind up in one of 21 bins. After 1000 balls have dropped, the heights within the bins clearly follow a bell-shaped curve. The standard deviation is 3 bins. About how many balls are in bins 1 through 17?

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The Museum of Science in Boston has an exhibit in which metal balls drop down a chute, bounce around...