So, to get heads twice in a row in two coin tosses it would be 25%. The odds of getting a heads with one coin toss is 50% (1/2.) Every time you do another coin toss the odds are halfed again. So half of 1/2 is 1/4 (think about it as like 50 divided by 2, so 25%.)
<u>Hope this helps and have a nice day! Sorry I'm not great at explaining!</u>
