John flips a fair coin 40 times. How many times can he expect heads to appear? 4 10 15 20

asked Feb 28, 2021 81.6k views

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John flips a fair coin 40 times. How many times can he expect heads to appear?

4
10
15
20

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1 vote

The answer is 20, since it’s heads and tails you have a half and half chance, therefore you divide 40 in half and get 20

Phnkha answered Mar 3, 2021

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