What is the expected number of tails when a fair coin is tossed 100 times?

Question

asked Apr 18, 2022 106k views

1 Answer

Mike Hemelberg · Answer 1 · 2022-04-24T14:15:50+0000

Answer:

50 times

Explanation:

Assuming a fair coin (probability of heads = 1/2), the expected number of heads (in the sense of mathematical expectations) is 100*1/2 = 50.