Betty empties her piggy bank, which contains 210 coins, onto her desk How many of the coins would you expect to be heads up

asked Mar 2, 2020 73.8k views

5 votes

Betty empties her piggy bank, which contains 210 coins, onto her desk

How many of the coins would you expect to be heads up

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5 votes

assuming that all the coins are homogeneous, the probability of each coin be on heads is 1/2. so:

$210 * (1)/(2) = 105 \: coins$

Clint answered Mar 6, 2020

by Clint

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