How rare is a wither skeleton head?

How rare is a wither skeleton head?
Wither Skeleton. Wither Skeletons are rare mobs that can be found in The Nether , mainly in Nether Fortresses . They were released in the Pretty Scary Update (1.4.2).Upon death, a Wither Skeleton will drop Coal , Bones , a Stone Sword , and rarely (1 in 50 chance) their Head .

Reference:
Wither Skeleton | Minecraft Mobs | Tynker
Oct 5, 2019

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