BOOLEAN or TINYINT confusion

Question

I was designing a database for a site where I need to use a boolean datetype to store only 2 states, true or false. I am using MySQL.
While designing the database using

Answer 1

As of MySql 5.1 version reference

BIT(M) =  approximately (M+7)/8 bytes, 
BIT(1) =  (1+7)/8 = 1 bytes (8 bits)

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TINYINT(1) take 8 bits.

https://dev.mysql.com/doc/refman/5.7/en/storage-requirements.html#data-types-storage-reqs-numeric