Twenty-five-year-old alexandra has an intellectual disability and can neither read nor write. however, after hearing lengthy, unfamiliar, and complex musical selections just once, she can reproduce them precisely on the piano. it is likely that alexandra is:

someone with savant syndrome.                

Explanation:

Savant syndrome: The disorder savant syndrome is defined as a condition in which a person has significant or notable mental disabilities describes few abilities moreover average. A person having savant syndrome excel in skills mostly related to memory, for example, artistic ability, map making, rapid calculation, musical ability.

Out of ten, one person with autism carry savant skills.

In the question above, Alexandra is likely someone with savant syndrome.

Savant syndrome

Explanation:

Savant syndrome is a rare neurological condition that is related to the less normal intelligence and is limited for an emotional reaction but is gifted in a specific area. Mathematical, dancing, music, electrical or another specific area where the child performs perfectly without any specific training. It can be pronounced as the super human power that is unbelievable for others. The savant syndrome also called an autistic syndrome. Non-autistic children can have also savant syndrome.  

using the scientific method.

unknown. best bet to watch it is at kissanime (a lot of popups and has ads and has potential to be a virus not recommended) or crunchyroll (recommended but has ads and has no popups). you will have to wait. i really want netflix to give the other seasons.