<prompt> Harold anarusha nikeli mara nne. Kuna uwezekano gani kwamba atapata angalau vichwa vingi kama mikia?  <response>: Kuna matokeo 16 yanayowezekana: HHH, HHHT, HHTH, HTHH, THHH, HHTT, HTHT, HTTH, THTH, THHT, TTHH na HTTT, THTT, TTHT, TTTH, TTT. Kumi na moja wa kwanza wana angalau vichwa vingi kama mikia. Uwezekano ni frac1116. 